Luke 20:3

And he answered and said to them, I also will ask you a question; and tell me,

Why do your disciples transgress the tradition of the elders, for they wash not their hands when they eat bread?

and if I ask you will not answer.

Let your words always be with kindness, seasoned with salt, that you may know how to answer every one.

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 you will not answer.