29 Jesus answering said to them, I also will ask you one question, and answer me, and I will tell you by what authority I do these things.
Mark 11:29 Cross References - Wesley
Matthew 21:24
24 And Jesus answering said to them, I will also ask you one thing, which if ye tell me, I will likewise tell you, by what authority I do these things.
Luke 20:3-8
3 And he answering said, I will also ask you one thing and tell me, Was the baptism of John from heaven or of men?
4 And they reasoned among themselves,
5 saying, If we say from heaven, he will say, Why then did ye not believe him?
6 But if we say of men, all the people will stone us;
7 for they are persuaded that John was a prophet.
8 And they answered, They could not tell whence. Jesus said to them, Neither tell I you, by what authority I do these things.