Luke 20:3

Jesus answered and said to them, “I will also ask you a question, and you tell Me:

“Why do Your disciples break the tradition of the elders? For they do not wash their hands when they eat bread.”

and if I ask a question, you will not answer.

Let your speech always be with grace, as though seasoned with salt, so that you will know how you should respond to each person.

Treasury of Scripture Knowledge

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

and if I ask a question, you will not answer.