"If your mother tells you to do..." - Quote by Mark Twain
If your mother tells you to do a thing, it is wrong to reply that you won't. It is better and more becoming to intimate that you will do as she bids you, and then afterwards act quietly in the matter according to the dictates of your better judgment.
An image illustrating the quote: "If your mother tells you to do a thing, it is wrong to reply that you won't. It ..."