It takes one to know one.
More American Proverbs:
Talk is cheap.American
When the earth is hot, the worm stays in the ground.
American
There are three kinds of people; those that make things happen, those that watch things happen and those who don't know what's happening.
American
Cunning men deal in generalizations.
American
Never miss a good chance to shut up.
American
A lady is a woman who makes it easy for a man to be a gentleman.
American