They fool themselves.

There's one thing no man can afford to do, East of the sun or West of the moon.

You can steal, slay, intrigue, burn--break all the Ten Commandments except one, and have a chance to get away with it.

There's just one thing you can't do, and succeed.

He's done it!" "And the thing is ?" "Cheat a woman!" "You mean his house keeper?
She who answered the door ?" Grim nodded..