Good News Translation
He knows all that has ever been and all that ever will be; he uncovers the deepest of mysteries.

New Revised Standard Version
He discloses what has been and what is to be, and he reveals the traces of hidden things.

Contemporary English Version
God explains the past to us and tells what lies ahead; he even shows us clues to the mysteries of creation.

New American Bible
He makes known the past and the future, and reveals the deepest secrets.

Douay-Rheims Bible
For the Lord knoweth all knowledge, and hath beheld the signs of the world, he declareth the things that are past, and the things that are to come, and revealeth the traces of hidden things.

For the Lord knoweth all knowledge, and hath beheld the signs of the world, he declareth the things that are past, and the things that are to come, and revealeth the traces of hidden things.

Sirach 42:17
Hath not the Lord made the saints to declare all his wonderful works, which the Lord Almighty hath firmly settled to be established for his glory?

Sirach 42:18
He hath searched out the deep, and the heart of men: and considered their crafty devices.

Sirach 42:20
No thought escapeth him, and no word can hide itself from him.

Sirach 42:21
He hath beautified the glorious works of his wisdom: and he is from eternity to eternity, and to him nothing may be added,