Catena Fidei

Romans 6:23 (WEB)
For the wages of sin is death, but the free gift of God is eternal life in Christ Jesus our Lord.

Catechism · 2

§1006Article 11 · "I Believe in the Resurrection of the Body"Read at vatican.va
“In a sense bodily death is natural, but for faith it is in fact "the wages of sin."” — Catechism footnote: Rom 6:23; cf. Gen 2:17.
§1008Article 11 · "I Believe in the Resurrection of the Body"Read at vatican.va
“Death is a consequence of sin. the Church's Magisterium, as authentic interpreter of the affirmations of Scripture and Tradition, teaches that death entered the world on account of man's sin.” — Catechism footnote: Cf. Gen 2:17; 3:3; 3:19; Wis 1:13; Rom 5:12; 6:23; DS 1511.

Irenaeus of Lyons, Against Heresies III.19Book III
“But, being ignorant of Him who from the Virgin is Emmanuel, they are deprived of His gift, which is eternal life; and not receiving the incorruptible Word, they remain in mortal flesh, and are debtors to death, not obtaining the antidote of life.” — editor's note: Rom. vi. 23.
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Augustine of Hippo, Confessions X.42Book X
“But since “the wages of sin is death,” this hath he in common with men, that together with them he should be condemned to death.” — editor's note: Rom. vi. 23.
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Augustine of Hippo, The Enchiridion Chapter 107
““For the wages of sin,” he says, “is death; but the gift of God is eternal life through Jesus Christ our Lord.”” — editor's note: Rom. vi. 23
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John Chrysostom, Homilies on John Homily 4
“And again he uses it of Christ, saying, “In Christ Jesus.” ( Rom. vi. 11, 23 , &c.) In short, we may often and continually find these expressions interchanged; now this would not have taken place, had not the same Essence been in every instance their subject.” — the author cites it
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Tertullian, On the Resurrection of the Flesh Chapter 47
“For the wages of sin is death, but the gift of God is eternal life through Jesus Christ our Lord.”” — editor's note: Vers. 19–23.
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Clement of Alexandria, The Stromata, or Miscellanies IV.3Book IV
“For the wages of sin is death: but the gift of God is eternal life, through Jesus Christ our Lord.”” — editor's note: Rom. vi. 20–23.
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