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Acts 3:21 (WEB)
whom heaven must receive until the times of restoration of all things, which God spoke long ago by the mouth of his holy prophets.

Catechism · 2

§1042Article 12 · "I Believe in Life Everlasting"Read at vatican.va
“At that time, together with the human race, the universe itself, which is so closely related to man and which attains its destiny through him, will be perfectly re-established in Christ.” — Catechism footnote: LG 48; Cf. Acts 3:21; Eph 1:10; Col 1:20; 2 Pet 3:10-13.

§674Article 7 · "From Thence He Will Come Agaln to Judge the Living and the Dead"Read at vatican.va
“…Christ appointed for you, Jesus, whom heaven must receive until the time for establishing all that God spoke by the mouth of his holy prophets from of old."” — Catechism footnote: Acts 3:19-21.

Augustine of Hippo, Expositions on the Psalms Psalm 12
“It has been said on the sixth Psalm, that “the eighth” may be taken as the day of judgment.” — editor's note: [A.N.F., vol. i. p. 63, note 2. The world created in seven days; and the Fathers take the eighth to mean the new creation, or “regeneration.” Matt. xix. 28,…
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Jerome, Letters Letter 84
“As, for instance, that, after many ages and one “restitution of all things,” it will be the same for Gabriel as for the devil, for Paul as for Caiaphas, for virgins as for prostitutes.” — editor's note: Acts iii. 21.
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Tertullian, On the Resurrection of the Flesh Chapter 23
“…was preached unto you: whom the heaven must receive until the times of restitution of all things, which God hath spoken by the mouth of His holy prophets.”” — editor's note: Acts iii. 19–21.
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Gregory of Nazianzus, Orations Oration 13
““He must reign,” till such and such a time…and “be received by heaven until the time of restitution,” and “have the seat at the Right Hand until the overthrow of His enemies.”” — editor's note: Acts iii. 21.
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Clement of Alexandria, The Instructor II.9Book II
“Now, just Lot (for I pass over at present the account of the economy of regeneration) would not have been drawn into that unhallowed intercourse, had he not been intoxicated by his daughters, and overpowered by sleep.” — editor's note: [Does our author here use the term “regeneration” with reference to the restitution of all things? (Matt. xix. 20; Acts iii. 21.) He touched upon the subject…
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