"If I bear witness of Myself, My witness is not true.
John 5:31
Surrounding context
5:30 I can of Myself do nothing. As I hear, I judge; and My judgment is righteous, because I do not seek My own will but the will of the Father who sent Me.
5:31 "If I bear witness of Myself, My witness is not true.
5:32 There is another who bears witness of Me, and I know that the witness which He witnesses of Me is true.