Luke 20:3

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

Why do thy disciples transgress the tradition of the elders? For they do not wash their hands when they eat bread.

and if I also ask you, ye will not answer me nor let me go;

Let your word be always with grace, seasoned with salt, that ye may know how ye ought to answer each 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 also ask you, ye will not answer me nor let me go;