But I have testimony more substantial than that of John. For the works that the Father has given Me to accomplish—the very works I am doing—testify about Me that the Father has sent Me.
36. But I have greater testimony than that of John. After having showed that, in the person of John, the Jews had wickedly corrupted the gift of God, he now repeats a second time what he had said, that he has no need of the testimony of man, as if he had not enough of himself; although, perceiving that they held his person in contempt...
In these verses our Lord Jesus proves and confirms the commission he had produced, and makes it out that he was sent of God to be the Messiah. I. He sets aside his own testimony of himself (Joh 5:31): "If I bear witness of myself, though it is infallibly true (Joh 8:14), yet, according to the common rule of judgment among men, you will not...
Commenting on John 5:31-47
But I have greater witness than that of John,.... The Vulgate Latin, and Ethiopic versions read, "greater than John", but wrongly; for the testimonies of Christ's works, and of his Father, are not compared with John himself, but with his testimony; and the sense is, that Christ had a greater witness than the witness of John; and so it is expressed in the Persic version...