Ask no questions and hear no lies

Ask no questions and hear no lies.

 and Ask me no questions, I'll tell you no lies.
If you ask me that, my answer might not be the truth. (Implies that you will likely tell a lie, because you do not want to tell the truth.) What am I going to give you for your birthday? Ask no questions and hear no lies. Maybe I like Greg, and maybe I don't. Ask me no questions, I'll tell you no lies.
See also: and, ask, hear, lie, question