29 Jesus answering, said to them, I also have a question to ask; answer me, and I will tell you by what authority I do these things.
Mark 11:29 Cross References - Living_Oracles
Matthew 21:24
24 Jesus answering, said to them, I also have a question to propose, which if you answer me, I will tell you by what authority I do these things.
Luke 20:3-8
3 He answering, said to them, I also have a question to put to you. Tell me, then,
4 Was the commission which John had to immerse, from heaven, or from men?
5 But they reasoned thus among themselves, If we say, From heaven, he will reply, Why, then, did you not believe him?
6 And if we say, From men, all the people will stone us; for they are persuaded that John was a prophet.
7 They therefore answered, that they could not tell whence.
8 Jesus replied, Neither do I tell you by what authority I do these things.