1 John 1 in the early church

271 passages quote, allude to, or echo 1 John 1, grouped by verse; passages on the same verse are in date order. Verse text from the Berean Standard Bible (public domain). References use the Protestant English Bible's numbering, with a writer's own numbering in brackets where it differs.

Verses: 1 · 2 · 3 · 5 · 6 · 7 · 8 · 9 · 10

1 John 1 as a whole

Reference	Passage	Kind	Date
1 John 1–1John:5	Canon 60 · Anonymous	allusion, high confidence	ca. 343–381
1 John 1–1John:5	Canon 47 · Anonymous	allusion, high confidence	397

1 John 1:1

That which was from the beginning, which we have heard, which we have seen with our own eyes, which we have gazed upon and touched with our own hands—this is the Word of life.
BSB

Reference	Passage	Kind	Date
1 John 1:1	To Polycarp 3.2 · Ignatius of Antioch	echo, low confidence	ca. 110 (range ca. 105–135)
1 John 1:1	To Diognetus 11.4 · Anonymous	echo, medium confidence	ca. 150–200 (disputed)
1 John 1:1	Epistle of the Apostles 2 · Anonymous	allusion, high confidence	ca. 140-170
1 John 1:1	Epistle of the Apostles 12 · Anonymous	allusion, medium confidence	ca. 140-170
1 John 1:1	Lines 21–30 · Anonymous	quotation, high confidence	late 2nd or 4th century (disputed)
1 John 1:1	Acts of Peter (Vercelli) 39 · Anonymous	echo, medium confidence	ca. 180–200
1 John 1:1	Adumbrations on 1 John, paragraph 1 · Clement of Alexandria	quotation, high confidence	original ca. 200; Latin translation 6th century
1 John 1:1–5	Adumbrations on 1 John, paragraph 2 · Clement of Alexandria	quotation, high confidence	original ca. 200; Latin translation 6th century
1 John 1:1	Against Heresies 4.6.6 · Irenaeus of Lyons	echo, medium confidence	ca. 180–190
1 John 1:1	Excerpts from Theodotus 59.3 · Clement of Alexandria	echo, medium confidence	ca. 200
1 John 1:1	The Passion of Perpetua and Felicity 1 · Anonymous	allusion, high confidence	203
1 John 1:1	On the Soul 17 · Tertullian	quotation, high confidence	ca. 210
1 John 1:1	Against Praxeas 15 · Tertullian	quotation, high confidence	ca. 213 or later
1 John 1:1	Fragments on the Song of Songs, chapter 1 · Origen	quotation, high confidence	ca. 220-254
1 John 1:1	Fragments on Genesis, column 127 · Origen	quotation, high confidence	ca. 220-254
1 John 1:1	Fragments on Luke, column 357 · Origen	allusion, medium confidence	ca. 220-254
1 John 1:1	Fragments on Proverbs, column 157 · Origen	allusion, medium confidence	ca. 220-254
1 John 1:1	Commentary on John 20.413 · Origen	allusion, high confidence	ca. 230–248
1 John 1:1	Homilies on Leviticus 3.7 · Origen	quotation, high confidence	ca. 238–250 (Rufinus's translation ca. 400–410)
1 John 1:1	Commentary on the Song of Songs 1.103 · Origen	allusion, high confidence	ca. 240–245 (Rufinus's translation ca. 410)
1 John 1:1	Commentary on the Song of Songs 1.107 · Origen	quotation, high confidence	ca. 240–245 (Rufinus's translation ca. 410)
1 John 1:1	Commentary on the Song of Songs 2.167 · Origen	allusion, high confidence	ca. 240–245 (Rufinus's translation ca. 410)
1 John 1:1	Against Celsus 1.48 · Origen	quotation, high confidence	ca. 248
1 John 1:1	Against Celsus 7.34 · Origen	quotation, high confidence	ca. 248
1 John 1:1	Commentary on Romans 4.5 · Origen	allusion, high confidence	ca. 244–246 (Rufinus's translation ca. 405–406)
1 John 1:1	Church History 5.20.6 · Eusebius of Caesarea	echo, medium confidence	ca. 300–325
1 John 1:1	Church History 7.25.10 · Eusebius of Caesarea	quotation, high confidence	ca. 300–325
1 John 1:1	Church History 7.25.18 · Eusebius of Caesarea	quotation, high confidence	ca. 300–325
1 John 1:1	Recognitions 1.8 · Anonymous	echo, low confidence	Greek original 3rd–4th century; Rufinus's Latin translation before 407
1 John 1:1	Recognitions 10.51 · Anonymous	echo, medium confidence	Greek original 3rd–4th century; Rufinus's Latin translation before 407
1 John 1:1	Prophetic Extracts 1.7 · Eusebius of Caesarea	quotation, high confidence	before 325 (probably ca. 310–320)
1 John 1:1	On the Paschal Feast 12 · Eusebius of Caesarea	echo, low confidence	ca. 325–337
1 John 1:1	Tricennial Oration (In Praise of Constantine) 15.7 · Eusebius of Caesarea	echo, low confidence	335–336
1 John 1:1	Oration IV Against the Arians 26 · Athanasius of Alexandria	quotation, high confidence	4th century (disputed)
1 John 1:1	Against the Arians 16 · Phoebadius of Agen	quotation, high confidence	ca. 357-358
1 John 1:1	Against Arius 3.16 · Marius Victorinus	quotation, high confidence	ca. 357–362
1 John 1:1	Tractates on the Psalms 67.6 · Hilary of Poitiers	allusion, medium confidence	ca. 360–367
1 John 1:1	Question 122, section 1 · Ambrosiaster	quotation, high confidence	ca. 370–384
1 John 1:1	Panarion (Adversus Haereses), Haer. 1-64 57.9.3 · Epiphanius of Salamis	quotation, high confidence	374-377
1 John 1:1–3	On Paradise 58 · Ambrose	quotation, high confidence	ca. 375-378
1 John 1:1	On the Christian Faith 1.8 · Ambrose	quotation, high confidence	ca. 378–380
1 John 1:1	Exposition of Psalm 118 6.3.2 · Ambrose	allusion, medium confidence	ca. 386-397
1 John 1:1	Explanation of Twelve Psalms 36.36.1 · Ambrose	quotation, high confidence	ca. 387-397
1 John 1:1	Homily 1 · Gregory of Nyssa	quotation, high confidence	ca. 390–394
1 John 1:1	Homily 13 · Gregory of Nyssa	allusion, high confidence	ca. 390–394
1 John 1:1	On Illustrious Men 9 · Jerome	quotation, high confidence	392–393
1 John 1:1	Poem 31, lines 347–376 · Paulinus of Nola	allusion, high confidence	ca. 393–431
1 John 1:1	Letters 13.26 · Paulinus of Nola	allusion, high confidence	ca. 394–413
1 John 1:1–2	Homilies on the First Epistle of John 1.1 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:1	Homilies on the First Epistle of John 1.4 · Augustine of Hippo	allusion, high confidence	ca. 407
1 John 1:1	Commentary on Jeremiah 1.43 · Jerome	allusion, high confidence	ca. 414-419
1 John 1:1	Sermon 57 · Peter Chrysologus	quotation, high confidence	ca. 425-450
1 John 1:1	Theodotus, ACO I.1.2, homily 72.1 · Theodotus of Ancyra	echo, medium confidence	431
1 John 1:1–2	Part 3, chapter 30 · Quodvultdeus of Carthage	quotation, high confidence	ca. 445-450

1 John 1:2

And this is the life that was revealed; we have seen it and testified to it, and we proclaim to you the eternal life that was with the Father and was revealed to us.
BSB

Reference	Passage	Kind	Date
1 John 1:2	On the Flesh of Christ 12 · Tertullian	quotation, high confidence	ca. 206–211
1 John 1:2	Church History 7.25.19 · Eusebius of Caesarea	quotation, high confidence	ca. 300–325
1 John 1:2	Oration IV Against the Arians 26 · Athanasius of Alexandria	quotation, high confidence	4th century (disputed)
1 John 1:2	Against the Arians 13 · Phoebadius of Agen	quotation, high confidence	ca. 357-358
1 John 1:2	Against the Arians 16 · Phoebadius of Agen	quotation, high confidence	ca. 357-358
1 John 1:2	Explanation of Twelve Psalms 36.36.1 · Ambrose	quotation, high confidence	ca. 387-397
1 John 1:2	Explanation of Twelve Psalms 36.36.5 · Ambrose	quotation, high confidence	ca. 387-397
1 John 1:2	Homilies on the First Epistle of John 1.2 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:2–4	Homilies on the First Epistle of John 1.3 · Augustine of Hippo	quotation, high confidence	ca. 407

1 John 1:3

We proclaim to you what we have seen and heard, so that you also may have fellowship with us. And this fellowship of ours is with the Father and with His Son, Jesus Christ.
BSB

Reference	Passage	Kind	Date
1 John 1:3	Lines 31–40 · Anonymous	quotation, high confidence	late 2nd or 4th century (disputed)
1 John 1:3	The Passion of Perpetua and Felicity 1 · Anonymous	allusion, high confidence	203
1 John 1:3	Against Praxeas 28 · Tertullian	allusion, high confidence	ca. 213 or later
1 John 1:3	Homilies on Leviticus 4.4 · Origen	quotation, high confidence	ca. 238–250 (Rufinus's translation ca. 400–410)
1 John 1:3	On the Holy Spirit 17 · Didymus the Blind	quotation, high confidence	Greek ca. 360-390; Latin 387-391
1 John 1:3	On the Christian Faith 4.11 · Ambrose	quotation, high confidence	ca. 378–380
1 John 1:3	Homilies on the First Epistle of John 1.5 · Augustine of Hippo	quotation, high confidence	ca. 407

1 John 1:5

And this is the message we have heard from Him and announce to you: God is light, and in Him there is no darkness at all.
BSB

Reference	Passage	Kind	Date
1 John 1:5	Acts of John 93 · Anonymous	echo, medium confidence	ca. 150–200
1 John 1:5	Sentences of Sextus 30 · Anonymous	echo, low confidence	2nd-early 3rd cent.
1 John 1:5	Sentence 30 (Greek) · Anonymous	echo, low confidence	2nd-early 3rd cent.
1 John 1:5	A Plea for the Christians 31 · Athenagoras	echo, medium confidence	ca. 176–180
1 John 1:5	Against Heresies 2.18.4 · Irenaeus of Lyons	allusion, medium confidence	ca. 180–190
1 John 1:5	Miscellanies 3.7.57 · Clement of Alexandria	echo, medium confidence	ca. 198–203
1 John 1:5	On Repentance 6 · Tertullian	allusion, medium confidence	ca. 198–206
1 John 1:5	On Modesty 19 · Tertullian	allusion, high confidence	ca. 210–220
1 John 1:5	On First Principles 1.1.1 · Origen	quotation, high confidence	ca. 220–230 (Rufinus's translation 398)
1 John 1:5	On First Principles 1.2.7 · Origen	quotation, high confidence	ca. 220–230 (Rufinus's translation 398)
1 John 1:5	On First Principles 1.2.11 · Origen	quotation, high confidence	ca. 220–230 (Rufinus's translation 398)
1 John 1:5	On First Principles 4.4.1 · Origen	quotation, high confidence	ca. 220–230 (Rufinus's translation 398)
1 John 1:5	Fragments on Luke, column 363 · Origen	quotation, high confidence	ca. 220-254
1 John 1:5	PG 12:1163 (Ps 4 LXX) · Origen	quotation, high confidence	ca. 220-254
1 John 1:5	PG 12:1227 (Ps 17 LXX) · Origen	allusion, high confidence	ca. 220-254
1 John 1:5	Commentary on John 2.149 · Origen	allusion, high confidence	ca. 230–248
1 John 1:5	Commentary on John 2.150 · Origen	allusion, high confidence	ca. 230–248
1 John 1:5	Commentary on John 2.162 · Origen	quotation, high confidence	ca. 230–248
1 John 1:5	Commentary on John 2.163 · Origen	quotation, high confidence	ca. 230–248
1 John 1:5	Commentary on John 2.166 · Origen	quotation, high confidence	ca. 230–248
1 John 1:5	Commentary on John 13.124 · Origen	quotation, high confidence	ca. 230–248
1 John 1:5	Commentary on John 13.131 · Origen	quotation, high confidence	ca. 230–248
1 John 1:5	Commentary on John 13.135 · Origen	allusion, high confidence	ca. 230–248
1 John 1:5	Homilies on Jeremiah 2.3 · Origen	quotation, high confidence	ca. 240
1 John 1:5	On the Trinity 7 · Novatian	allusion, high confidence	ca. 240–250
1 John 1:5	Commentary on the Song of Songs 2.129 · Origen	quotation, high confidence	ca. 240–245 (Rufinus's translation ca. 410)
1 John 1:5	Against Celsus 2.71 · Origen	quotation, high confidence	ca. 248
1 John 1:5	Against Celsus 5.11 · Origen	quotation, high confidence	ca. 248
1 John 1:5	Commentary on Matthew 17.19 · Origen	quotation, high confidence	ca. 246–248
1 John 1:5	Commentary on Romans 5.8 · Origen	allusion, high confidence	ca. 244–246 (Rufinus's translation ca. 405–406)
1 John 1:5	Divine Institutes 6.2.4 · Lactantius	echo, low confidence	ca. 303–311
1 John 1:5	Apology for Origen 3.1 · Pamphilus of Caesarea	quotation, high confidence	ca. 308–310 (Rufinus's Latin about 397)
1 John 1:5	On Ecclesiastical Theology 1.20.8 · Eusebius of Caesarea	quotation, high confidence	ca. 337–339
1 John 1:5	On the Decrees of Nicaea 27 · Athanasius of Alexandria	quotation, high confidence	ca. 350–356
1 John 1:5	Letters to Serapion 1.19 · Athanasius of Alexandria	quotation, high confidence	ca. 357–360
1 John 1:5	Against Arius 1.31 · Marius Victorinus	allusion, high confidence	ca. 357–362
1 John 1:5	Against Arius 2.7 · Marius Victorinus	allusion, medium confidence	ca. 357–362
1 John 1:5	Against Arius 4.4 · Marius Victorinus	allusion, medium confidence	ca. 357–362
1 John 1:5	Against Arius 4.16 · Marius Victorinus	allusion, medium confidence	ca. 357–362
1 John 1:5	On the Orthodox Faith against the Arians 3 · Gregory of Elvira	quotation, high confidence	ca. 360-392
1 John 1:5	Titus of Bostra, Against the Manichees 2.37 · Titus of Bostra	allusion, medium confidence	ca. 360s
1 John 1:5	Hexaemeron 2.4 · Basil of Caesarea	allusion, medium confidence	ca. 370
1 John 1:5	Commentary on Ephesians 5:8 · Ambrosiaster	allusion, medium confidence	ca. 366–384
1 John 1:5	Ancoratus 3.9 · Epiphanius of Salamis	quotation, high confidence	374
1 John 1:5	Ancoratus 4.1 · Epiphanius of Salamis	allusion, high confidence	374
1 John 1:5	Panarion (Adversus Haereses), Haer. 1-64 62.8.1 · Epiphanius of Salamis	quotation, high confidence	374-377
1 John 1:5	On the Christian Faith 3.3 · Ambrose	allusion, high confidence	ca. 378–380
1 John 1:5	Homily 8 · Gregory of Nyssa	allusion, high confidence	ca. 379–394
1 John 1:5	Exposition of Psalm 118 8.28.2 · Ambrose	allusion, medium confidence	ca. 386-397
1 John 1:5	Letter 92.2 · Augustine of Hippo	quotation, high confidence	ca. 386–430
1 John 1:5	Letter 140.54 · Augustine of Hippo	quotation, high confidence	ca. 386–430
1 John 1:5	Letter 147.46 · Augustine of Hippo	quotation, high confidence	ca. 386–430
1 John 1:5	Explanation of Twelve Psalms 35.22.2 · Ambrose	quotation, high confidence	ca. 387-397
1 John 1:5	Explanation of Twelve Psalms 36.15.3 · Ambrose	allusion, high confidence	ca. 387-397
1 John 1:5	Explanation of Twelve Psalms 39.21.2 · Ambrose	allusion, high confidence	ca. 387-397
1 John 1:5	Explanation of Twelve Psalms 40.35.4 · Ambrose	echo, low confidence	ca. 387-397
1 John 1:5–7	Tractates on Matthew 5.1 · Chromatius of Aquileia	quotation, high confidence	ca. 388–407
1 John 1:5	Tractates on Matthew 17.1 · Chromatius of Aquileia	quotation, high confidence	ca. 388–407
1 John 1:5	Against Faustus the Manichaean 22.8 · Augustine of Hippo	quotation, high confidence	ca. 398–400
1 John 1:5	Against Faustus the Manichaean 22.9 · Augustine of Hippo	quotation, high confidence	ca. 398–400
1 John 1:5	Against Faustus the Manichaean 22.21 · Augustine of Hippo	quotation, high confidence	ca. 398–400
1 John 1:5	On the Trinity 7.3 · Augustine of Hippo	quotation, high confidence	ca. 399–419
1 John 1:5	On the Trinity 8.2 · Augustine of Hippo	quotation, high confidence	ca. 399–419
1 John 1:5	On the Trinity 8.8 · Augustine of Hippo	quotation, high confidence	ca. 399–419
1 John 1:5	Against Felix the Manichaean 2.15 · Augustine of Hippo	quotation, high confidence	December 404
1 John 1:5	Homilies on the First Epistle of John 1.4 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:5–7	Homilies on the First Epistle of John 1.5 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:5	Against Lying 36 · Augustine of Hippo	echo, low confidence	ca. 420

1 John 1:6

If we say we have fellowship with Him yet walk in the darkness, we lie and do not practice the truth.
BSB

Reference	Passage	Kind	Date
1 John 1:6	Miscellanies 3.4.32 · Clement of Alexandria	quotation, high confidence	ca. 198–203
1 John 1:6	On Modesty 19 · Tertullian	allusion, high confidence	ca. 210–220
1 John 1:6	Commentary on John 2.160 · Origen	quotation, high confidence	ca. 230–248

1 John 1:7

But if we walk in the light as He is in the light, we have fellowship with one another, and the blood of Jesus His Son cleanses us from all sin.
BSB

Reference	Passage	Kind	Date
1 John 1:7	Adumbrations on 1 John, paragraph 3 · Clement of Alexandria	quotation, high confidence	original ca. 200; Latin translation 6th century
1 John 1:7	Miscellanies 3.4.32 · Clement of Alexandria	quotation, high confidence	ca. 198–203
1 John 1:7	On Modesty 19 · Tertullian	quotation, high confidence	ca. 210–220
1 John 1:7	On the Holy Spirit 17 · Didymus the Blind	quotation, high confidence	Greek ca. 360-390; Latin 387-391
1 John 1:7	Exposition of Psalm 118 8.24.2 · Ambrose	allusion, medium confidence	ca. 386-397
1 John 1:7	Explanation of Twelve Psalms 43.58.3 · Ambrose	allusion, medium confidence	ca. 387-397
1 John 1:7	On the Merits and Forgiveness of Sins 1.42 · Augustine of Hippo	quotation, high confidence	411–412
1 John 1:7	Commonitorium 14 · Marius Mercator	quotation, high confidence	429-431

1 John 1:8

If we say we have no sin, we deceive ourselves, and the truth is not in us.
BSB

Reference	Passage	Kind	Date
1 John 1:8	6 Ezra 16.54 · Anonymous	echo, medium confidence	3rd century
1 John 1:8	On Modesty 19 · Tertullian	quotation, high confidence	ca. 210–220
1 John 1:8	Commentary on Romans 2.7 · Origen	quotation, high confidence	ca. 244–246 (Rufinus's translation ca. 405–406)
1 John 1:8	To Quirinus 3.54 · Cyprian of Carthage	quotation, high confidence	ca. 248–250 (book 3 perhaps later)
1 John 1:8–9	On the Lord's Prayer 22 · Cyprian of Carthage	quotation, high confidence	ca. 252
1 John 1:8	On Works and Almsgiving 3 · Cyprian of Carthage	quotation, high confidence	ca. 253
1 John 1:8	Divine Institutes 6.13.5 · Lactantius	echo, medium confidence	ca. 303–311
1 John 1:8	Catechetical Lecture 23.16 · Cyril of Jerusalem	quotation, high confidence	ca. 350
1 John 1:8	On Saint Athanasius 2.27 · Lucifer of Cagliari	quotation, high confidence	ca. 356–361
1 John 1:8	Against Parmenian the Donatist 2.20 · Optatus of Milevis	quotation, high confidence	ca. 366–385
1 John 1:8	Against Parmenian the Donatist 7.2 · Optatus of Milevis	quotation, high confidence	ca. 366–385
1 John 1:8	Question 102, section 10 · Ambrosiaster	quotation, high confidence	ca. 370–384
1 John 1:8	Letter 132.10 · Jerome	quotation, high confidence	ca. 370–419
1 John 1:8	Letter 132.11 · Jerome	allusion, high confidence	ca. 370–419
1 John 1:8	Letter 132.15 · Jerome	quotation, high confidence	ca. 370–419
1 John 1:8	Exposition of Psalm 118 22.27.2 · Ambrose	allusion, high confidence	ca. 386-397
1 John 1:8	Letter 153.8 · Augustine of Hippo	quotation, high confidence	ca. 386–430
1 John 1:8	Letter 157.2 · Augustine of Hippo	quotation, high confidence	ca. 386–430
1 John 1:8	Letter 167.10 · Augustine of Hippo	quotation, high confidence	ca. 386–430
1 John 1:8	Letter 167.11 · Augustine of Hippo	allusion, high confidence	ca. 386–430
1 John 1:8	Letter 167.15 · Augustine of Hippo	quotation, high confidence	ca. 386–430
1 John 1:8	Letter 177.18 · Augustine of Hippo	allusion, high confidence	ca. 386–430
1 John 1:8–9	Letter 185.39 · Augustine of Hippo	quotation, high confidence	ca. 386–430
1 John 1:8	Letter 185.40 · Augustine of Hippo	quotation, high confidence	ca. 386–430
1 John 1:8	Explanation of Twelve Psalms 37.51.2 · Ambrose	allusion, medium confidence	ca. 387-397
1 John 1:8	Sermon 56.11 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 90.3 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 90.6 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8–9	Sermon 114.4 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8–9	Sermon 135.8 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 158.4 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 159.1 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 163.9 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8–9	Sermon 181.1 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 181.4 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 181.8 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 211.3 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 213.5 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 261.9 · Augustine of Hippo	allusion, medium confidence	ca. 391-430
1 John 1:8–9	Sermon 301.2 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 351.6 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 386.1 · Augustine of Hippo	allusion, medium confidence	ca. 391-430
1 John 1:8	Sermon 388.2 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:8	Sermon 393.1 · Augustine of Hippo	echo, medium confidence	ca. 391-430
1 John 1:8–10	Against Jovinianus 2.2 · Jerome	quotation, high confidence	393
1 John 1:8	On Continence 25 · Augustine of Hippo	quotation, high confidence	ca. 395
1 John 1:8	Against the Letter of Parmenian 2.14 · Augustine of Hippo	quotation, high confidence	ca. 400
1 John 1:8	On Holy Virginity 49 · Augustine of Hippo	quotation, high confidence	401
1 John 1:8	Canon 114 (Bruns) · Anonymous	quotation, high confidence	401–424 (collection of 419)
1 John 1:8	Tractates on the Gospel of John 41.9 · Augustine of Hippo	quotation, high confidence	ca. 406–420
1 John 1:8	Tractates on the Gospel of John 41.10 · Augustine of Hippo	allusion, high confidence	ca. 406–420
1 John 1:8	Tractates on the Gospel of John 56.4 · Augustine of Hippo	quotation, high confidence	ca. 406–420
1 John 1:8	Tractates on the Gospel of John 80.2 · Augustine of Hippo	quotation, high confidence	ca. 406–420
1 John 1:8	Tractates on the Gospel of John 95.2 · Augustine of Hippo	allusion, high confidence	ca. 406–420
1 John 1:8–10	Homilies on the First Epistle of John 1.6 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:8	Homilies on the First Epistle of John 4.12 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:8	Homilies on the First Epistle of John 5.1 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:8	Homilies on the First Epistle of John 5.3 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:8	Homilies on the First Epistle of John 5.7 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:8	Homilies on the First Epistle of John 6.5 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:8	On the Merits and Forgiveness of Sins 2.8 · Augustine of Hippo	quotation, high confidence	411–412
1 John 1:8	On the Merits and Forgiveness of Sins 2.10 · Augustine of Hippo	quotation, high confidence	411–412
1 John 1:8	On the Merits and Forgiveness of Sins 2.12 · Augustine of Hippo	quotation, high confidence	411–412
1 John 1:8	On the Merits and Forgiveness of Sins 2.14 · Augustine of Hippo	allusion, high confidence	411–412
1 John 1:8	On the Merits and Forgiveness of Sins 2.18 · Augustine of Hippo	quotation, high confidence	411–412
1 John 1:8	On the Merits and Forgiveness of Sins 3.23 · Augustine of Hippo	allusion, high confidence	411–412
1 John 1:8	On the Spirit and the Letter 65 · Augustine of Hippo	quotation, high confidence	412
1 John 1:8	City of God 14.9 · Augustine of Hippo	quotation, high confidence	413–426
1 John 1:8	City of God 20.17 · Augustine of Hippo	quotation, high confidence	413–426
1 John 1:8	City of God 20.25 · Augustine of Hippo	quotation, high confidence	413–426
1 John 1:8	City of God 20.26 · Augustine of Hippo	allusion, high confidence	413–426
1 John 1:8	On Nature and Grace 15 · Augustine of Hippo	quotation, high confidence	415
1 John 1:8	On Nature and Grace 38 · Augustine of Hippo	quotation, high confidence	415
1 John 1:8	On Nature and Grace 42 · Augustine of Hippo	quotation, high confidence	415
1 John 1:8	On Nature and Grace 73 · Augustine of Hippo	quotation, high confidence	415
1 John 1:8	On Nature and Grace 82 · Augustine of Hippo	allusion, high confidence	415
1 John 1:8	On Man's Perfection in Righteousness 30 · Augustine of Hippo	allusion, high confidence	ca. 415
1 John 1:8	On Man's Perfection in Righteousness 39 · Augustine of Hippo	quotation, high confidence	ca. 415
1 John 1:8	On Man's Perfection in Righteousness 44 · Augustine of Hippo	quotation, high confidence	ca. 415
1 John 1:8	Apologetic Book 29.8 · Orosius	quotation, high confidence	ca. 415–416
1 John 1:8	On the Proceedings of Pelagius 26 · Augustine of Hippo	quotation, high confidence	417
1 John 1:8	On the Proceedings of Pelagius 27 · Augustine of Hippo	quotation, high confidence	417
1 John 1:8	On Adulterous Marriages 2.14 · Augustine of Hippo	quotation, high confidence	ca. 419–421
1 John 1:8	On Marriage and Concupiscence 1.39 · Augustine of Hippo	allusion, medium confidence	ca. 419–421
1 John 1:8	Against Lying 40 · Augustine of Hippo	quotation, high confidence	ca. 420
1 John 1:8	Against Two Letters of the Pelagians 2.2 · Augustine of Hippo	quotation, high confidence	ca. 420–421
1 John 1:8	Against Two Letters of the Pelagians 3.4 · Augustine of Hippo	quotation, high confidence	ca. 420–421
1 John 1:8	Against Two Letters of the Pelagians 3.24 · Augustine of Hippo	quotation, high confidence	ca. 420–421
1 John 1:8	Against Two Letters of the Pelagians 4.3 · Augustine of Hippo	quotation, high confidence	ca. 420–421
1 John 1:8	Against Two Letters of the Pelagians 4.17 · Augustine of Hippo	allusion, high confidence	ca. 420–421
1 John 1:8	Against Two Letters of the Pelagians 4.18 · Augustine of Hippo	quotation, high confidence	ca. 420–421
1 John 1:8–9	Against Two Letters of the Pelagians 4.27 · Augustine of Hippo	quotation, high confidence	ca. 420–421
1 John 1:8	Enchiridion (Handbook on Faith, Hope, and Love) 64 · Augustine of Hippo	quotation, high confidence	ca. 421–423
1 John 1:8	The Conferences 11.9 · John Cassian	quotation, high confidence	ca. 426–429
1 John 1:8	The Conferences 20.12 · John Cassian	quotation, high confidence	ca. 426–429
1 John 1:8	The Conferences 23.19 · John Cassian	quotation, high confidence	ca. 426–429
1 John 1:8	On the Gift of Perseverance 5 · Augustine of Hippo	quotation, high confidence	ca. 428/429

1 John 1:9

If we confess our sins, He is faithful and just to forgive us our sins and to cleanse us from all unrighteousness.
BSB

Reference	Passage	Kind	Date
1 John 1:9	Acts of Peter (Vercelli) 3 · Anonymous	echo, medium confidence	ca. 180–200
1 John 1:9	Acts of Peter (Vercelli) 10 · Anonymous	echo, medium confidence	ca. 180–200
1 John 1:9	On Modesty 19 · Tertullian	quotation, high confidence	ca. 210–220
1 John 1:9	Commentary on Romans 2.7 · Origen	allusion, medium confidence	ca. 244–246 (Rufinus's translation ca. 405–406)
1 John 1:9	Epitome of the Divine Institutes 62.1 · Lactantius	echo, medium confidence	ca. 314–320
1 John 1:9	Question 102, section 10 · Ambrosiaster	quotation, high confidence	ca. 370–384
1 John 1:9	Sermon 90.3 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:9	Sermon 181.8 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:9	Sermon 213.5 · Augustine of Hippo	quotation, high confidence	ca. 391-430
1 John 1:9	On Holy Virginity 49 · Augustine of Hippo	quotation, high confidence	401
1 John 1:9	Canon 114 (Bruns) · Anonymous	quotation, high confidence	401–424 (collection of 419)
1 John 1:9	Tractates on the Gospel of John 56.4 · Augustine of Hippo	quotation, high confidence	ca. 406–420
1 John 1:9	Tractates on the Gospel of John 80.2 · Augustine of Hippo	quotation, high confidence	ca. 406–420
1 John 1:9	Homilies on the First Epistle of John 1.7 · Augustine of Hippo	quotation, high confidence	ca. 407
1 John 1:9	Against Two Letters of the Pelagians 3.4 · Augustine of Hippo	quotation, high confidence	ca. 420–421

1 John 1:10

If we say we have not sinned, we make Him out to be a liar, and His word is not in us.
BSB

Reference	Passage	Kind	Date
1 John 1:10	Adumbrations on 1 John, paragraph 3 · Clement of Alexandria	quotation, high confidence	original ca. 200; Latin translation 6th century
1 John 1:10	On Modesty 19 · Tertullian	quotation, high confidence	ca. 210–220
1 John 1:10	Apology of the Prophet David 53 · Ambrose	allusion, high confidence	ca. 384-390
1 John 1:10	Confessions 12.35 · Augustine of Hippo	allusion, medium confidence	ca. 397–401
1 John 1:10	On Holy Virginity 49 · Augustine of Hippo	quotation, high confidence	401
1 John 1:10	Against Two Letters of the Pelagians 4.31 · Augustine of Hippo	quotation, high confidence	ca. 420–421
1 John 1:10	The Conferences 11.9 · John Cassian	quotation, high confidence	ca. 426–429
1 John 1:10	The Conferences 20.12 · John Cassian	quotation, medium confidence	ca. 426–429