24 And Jesus answering said to them, I also will ask you one thing, which if ye tell me, I also will tell you by what authority I do these things:
25 The baptism of John, whence was it? of heaven or of men? And they reasoned among themselves, saying, If we should say, Of heaven, he will say to us, Why then have ye not believed him?
26 but if we should say, Of men, we fear the crowd, for all hold John for a prophet.
27 And answering Jesus they said, We do not know. He also said to them, Neither do I tell you by what authority I do these things.
28 But what think ye? A man had two children, and coming to the first he said, Child, go to-day, work in my vineyard.
29 And he answering said, I will not; but afterwards repenting himself he went.
30 And coming to the second he said likewise; and he answering said, I go, sir, and went not.