King James Bible
Whom the heaven must receive until the times of restitution of all things, which God hath spoken by the mouth of all his holy prophets since the world began.

New King James Version
whom heaven must receive until the times of restoration of all things, which God has spoken by the mouth of all His holy prophets since the world began.

American Standard Version
whom the heaven must receive until the times of restoration of all things, whereof God spake by the mouth of His holy prophets that have been from of old.

Berean Study Bible
Heaven must take Him in until the time comes for the restoration of all things, which God announced long ago through His holy prophets.

Douay-Rheims Bible
Whom heaven indeed must receive, until the times of the restitution of all things, which God hath spoken by the mouth of his holy prophets, from the beginning of the world.

English Revised Version
whom the heaven must receive until the times of restoration of all things, whereof God spake by the mouth of his holy prophets which have been since the world began.

World English Bible
whom heaven must receive until the times of restoration of all things, which God spoke long ago by the mouth of his holy prophets.

Young's Literal Translation
whom it behoveth heaven, indeed, to receive till times of a restitution of all things, of which God spake through the mouth of all His holy prophets from the age.

Acts 3:21 Additional Translations ...