Contradiction with John 8:18
In John 8:18, Jesus states that He is one who bears witness of Himself, which contradicts John 5:32 where He implies His witness is another.
John 8:18: I am one that bear witness of myself, and the Father that sent me beareth witness of me.
Contradiction with John 5:31
In John 5:31, Jesus says that if He bears witness of Himself, His witness is not true, which contrasts with His role as a self-witness in other verses.
John 5:31: If I bear witness of myself, my witness is not true.
Contradiction with John 15:27
In John 15:27, Jesus tells the disciples that they have been with Him from the beginning and should testify, highlighting their role in witnessing, unlike the "another" in John 5:32.
John 15:27: And ye also shall bear witness, because ye have been with me from the beginning.
Contradiction with Matthew 18:16
Matthew 18:16 speaks of requiring two or three witnesses to establish a matter, implying the inadequacy of one witness, contrasting with Jesus’ reference to a single other witness in John 5:32.
Matthew 18:16: But if he will not hear [thee, then] take with thee one or two more, that in the mouth of two or three witnesses every word may be established.