And when he came into the temple, the chief priests and the elders of the people came unto him as he was teaching, and said, By what authority do you these things? and who gave you this authority?
All Commentaries on Matthew 21:23 Go To Matthew 21
Hilary of Poitiers
AD 368
Prior to this, the Pharisees had seen many things more worthy to be called great miracles, but now they were deeply troubled and asked Jesus to identify the authority by which he performed these works. The great mystery of the future is included in the consequences of present deeds. They felt the urge for special questioning, then, because the prefiguration of every danger was made known in this event. The Lord replied that he would tell them by what authority he did these works if only they would also reply to his question about whether they considered John the Baptist to have come from heaven or from man. They hesitated while pondering the dangers of responding. If they confessed John to have come from heaven, they would be convicted by that very confession for not believing in the authority of a heavenly witness. They were afraid to say that he was merely from man, however, because of the large crowd of people who believed John to be a prophet. So they answered that they did not know (they did in fact know him to be from heaven) because they feared that they might be convinced by the truth of their own confession. But they told the truth about themselves, even though it was their intention to deceive; it was only through their infidelity that they did not know John the Baptist to be from heaven. And they could not have known that John the Baptist was from man, because he was not.