1 John 1:3

"Our Father Who Art in Heaven"

• §2781Article 2 · "Our Father Who Art in Heaven"Read at vatican.va

  “When we pray to the Father, we are in communion with him and with his Son, Jesus Christ.” — Catechism footnote: Cf. 1 Jn 1:3.

I Believe in Jesus Christ, the Only Son of God

• §425Chapter Two · I Believe in Jesus Christ, the Only Son of GodRead at vatican.va

  “…that you may have fellowship with us; and our fellowship is with the Father and with his Son Jesus Christ. and we are writing this that our joy may be complete.” — Catechism footnote: 1 Jn 1:1-4.

Tertullian

• Tertullian, Against Praxeas Chapter 28

  “Wherefore he also exhorts us to believe in the name of His (the Father’s,) Son Jesus Christ, that “our fellowship may be with the Father, and with His Son Jesus Christ.”” — editor's note: 1 John i. 3.

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Eusebius of Caesarea

• Eusebius of Caesarea, Church History VII.25Book VII

  “That which we have seen and heard declare we unto you also.’” — editor's note: 1 John i. 2, 3.

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Ambrose of Milan

• Ambrose of Milan, Exposition of the Christian Faith IV.11Book IV

  ““And that our fellowship be with the Father and with His Son Jesus Christ.”” — editor's note: 1 John i. 3.

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• Ambrose of Milan, On the Holy Spirit I.12Book I

  “And that there is communion between the Father and the Son is plain, for it is written: “And our communion is with the Father and with His Son Jesus Christ.”” — editor's note: 1 John i. 3.

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Augustine of Hippo

• Augustine of Hippo, Homilies on the First Epistle of John Homily 1

  ““The things,” therefore, “which we have seen and heard, declare we unto you.”” — editor's note: 1 John i. 3.

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Catena Aurea on Matthew

• JeromeCatena Aurea on Matthew

  “…Seeing that Jesus, that is, The Word of God, made all times, (for “By him all things were made, and without him was not any thing made that was made, [1 John 1:3]) and that the day of judgment must be in all time, by what reasoning can He who knows the whole be shewn to be ignorant of a part?” — the author cites it

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• 1 John 2:22

  Cited together in Against Praxeas Chapter 28.

• Zechariah 12:10

  Cited together in On the Holy Spirit I.12.

• Matthew 4:1

  Cited together in On the Holy Spirit I.12.

• Matthew 24:37

  Cited together in Jerome on Matthew 24:36–41 (2) (Catena Aurea).

• Matthew 24:38

  Cited together in Jerome on Matthew 24:36–41 (2) (Catena Aurea).

• Matthew 24:39

  Cited together in Jerome on Matthew 24:36–41 (2) (Catena Aurea).

• Matthew 24:40

  Cited together in Jerome on Matthew 24:36–41 (2) (Catena Aurea).

• Matthew 24:41

  Cited together in Jerome on Matthew 24:36–41 (2) (Catena Aurea).

• John 3:16

  Cited together in On the Holy Spirit I.12.

• John 14:21

  Cited together in On the Holy Spirit I.12.

• Acts 2:38

  Cited together in On the Holy Spirit I.12.

• Acts 4:20

  Cited together in Catechism §425.

• Romans 1:7

  Cited together in On the Holy Spirit I.12.

• Romans 8:32

  Cited together in On the Holy Spirit I.12.

• 2 Corinthians 13:14

  Cited together in On the Holy Spirit I.12.

• Galatians 2:20

  Cited together in On the Holy Spirit I.12.

• Galatians 5:22

  Cited together in On the Holy Spirit I.12.

• Ephesians 1:17

  Cited together in Against Praxeas Chapter 28.

• Ephesians 5:2

  Cited together in On the Holy Spirit I.12.