Catena Fidei

2 Timothy 2:13 (WEB)
If we are faithless, he remains faithful; for he can’t deny himself.”

Catechism · 1

§2641Article 3 · In the Age of the ChurchRead at vatican.va
“In the newness of the Spirit, they also composed hymns and canticles in the light of the unheard - of event that God accomplished in his Son: his Incarnation, his death which conquered death, his Resurrection, and Ascension to the right hand of the Father.” — Catechism footnote: Cf. Phil 2:6-11; Col 1:15-20; Eph 5:14; 1 Tim 3:16; 6:15-16; 2 Tim 2:11-13.

Athanasius of Alexandria, Against the Arians II.1Discourse II
“And he thus writes to the Hebrews as to the word’s meaning ‘unchangeable;’ ‘If we believe not, yet He abideth faithful; He cannot deny Himself.’” — editor's note: 2 Tim. ii. 13.
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Cyril of Jerusalem, Catechetical Lectures Lecture 3
“Men denied God, but God denied not Himself.” — editor's note: 2 Tim. ii. 13.
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Theodoret of Cyrus, Dialogues (Eranistes) §4
“And writing to the blessed Timothy, the Apostle adds “It is a faithful saying, for if we be dead with Him we shall also live with Him, if we suffer we shall also reign with Him; if we deny Him He will also deny us, if we believe not yet He abideth faithful, He cannot deny Himself.”” — editor's note: 2 Tim. ii. 11–13
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Theodoret of Cyrus, Letters Letter 145
“And again “If we believe not, yet He abideth faithful: He cannot deny Himself.”” — editor's note: 2 Tim. ii. 13
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John Chrysostom, Homilies on John Homily 37
“…things in which it was impos sible for God to lie” ( Heb. vi. 18 ): and again, “If we deny Him — He abideth faithful,” for “He cannot deny Himself.” ( 2 Tim. ii. 12, 13.)” — the author cites it
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Augustine of Hippo, On the Creed Chapter 2
“God is Almighty, and yet, though Almighty, He cannot die, cannot be deceived, cannot lie; and, as the Apostle says, “cannot deny Himself.”” — editor's note: 2 Tim. ii. 13
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Augustine of Hippo, Tractates on the Gospel of John Tractate 53
“And so it is said, “they could not,” by which we are to understand that they would not; in the same way as it was said of the Lord our God, “If we believe not, yet He abideth faithful, He cannot deny Himself.”” — editor's note: 2 Tim. ii. 13.
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Gregory of Nyssa, On the Holy Spirit
“Whereas, if you mention what He has, such and such a quality is essential, whether men recognize it or not; He remains the object of faith, says the Apostle, if we have not faith.” — editor's note: πιστὸς. 2 Tim. ii. 13.
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