and needed no one to bear witness about man, for he himself knew what was in man.
25. For he knew what was in man. As it might be doubted whence Christ obtained this knowledge, the Evangelist anticipates this question, and replies that Christ perceived every thing in men that is concealed from our view, so that he could on his own authority make a distinction among men.
We have here an account of the success, the poor success, of Christ's preaching and miracles at Jerusalem, while he kept the passover there. Observe, I. That our Lord Jesus, when he was at Jerusalem at the passover, did preach and work miracles. People's believing on him implied that he preached; and it is expressly said, They saw the miracles he did.
Commenting on John 2:23-25
Verse 25. Should testify of man. Should give him the character of any man. He knew what was in man. This he did because he had made all , and because he was God, . There can be no higher evidence than this that he was omniscient, and was therefore divine.