John 8:17 in the King James Version
It is also written in your law, that the testimony of two men is true.
Context
16 Even if I do judge, my judgment is true, for I am not alone, but I am with the Father who sent me.
17 It’s also written in your law that the testimony of two people is valid.
18 I am one who testifies about myself, and the Father who sent me testifies about me.”