The bowman who is a bad marksman has a lie ready.
More Mexican Proverbs:
The lap of its owner is security enough for a cat.Mexican
He is not to blame who does his duty.
Mexican
The rat who only knows about one hole will soon be caught by the cat.
Mexican
True friendship is one soul shared by two bodies.
Mexican
True friendship is one soul shared by two bodies.
Mexican
You don't look a gift horse in the mouth.
Mexican