New Living Translation
No one needed to tell him about human nature, for he knew what was in each person’s heart.

American Standard Version
and because he needed not that any one should bear witness concerning man; for he himself knew what was in man.

Berean Study Bible
He did not need any testimony about man, for He knew what was in a man.

Douay-Rheims Bible
And because he needed not that any should give testimony of man: for he knew what was in man.

English Revised Version
and because he needed not that any one should bear witness concerning man; for he himself knew what was in man.

King James Bible
And needed not that any should testify of man: for he knew what was in man.

World English Bible
and because he didn't need for anyone to testify concerning man; for he himself knew what was in man.

Young's Literal Translation
and because he had no need that any should testify concerning man, for he himself was knowing what was in man.

John 2:25 Additional Translations ...