John 8:16 KJV

And yet if I judge, my judgment is true: for I am not alone, but I and the Father that sent me.
John 8:16, King James Version

In context

15 Ye judge after the flesh; I judge no man.

16 And yet if I judge, my judgment is true: for I am not alone, but I and the Father that sent me.

17 It is also written in your law, that the testimony of two men is true.