Luke 20:3

"I, too," said Jesus in reply, "will ask you one question. Give me an answer to it.

"How is it that your disciples break the traditions of our ancestors? For they do not wash their hands when they eat food."

And, if I question you, you will not answer.

Let your conversation always be kindly, and seasoned, as it were, with salt; that you may know in each case what answer you ought to give.

Treasury of Scripture Knowledge

And he answered and said unto them, I will also ask you one thing; and answer me:

And, if I question you, you will not answer.