John 5:31 in the King James Version
If I bear witness of myself, my witness is not true.
Context
30 I can of myself do nothing. As I hear, I judge; and my judgment is righteous, because I don’t seek my own will, but the will of my Father who sent me.
31 “If I testify about myself, my witness is not valid.
32 It is another who testifies about me. I know that the testimony which he testifies about me is true.