Expert: a man who makes three correct guesses consecutively.

An economist is an expert who will know tomorrow why the things he predicted yesterday didn't happen today.

Psychiatry enables us to correct our faults by confessing our parents' shortcomings.

If two wrongs don't make a right, try three.

Going to church doesn't make you any more a Christian than going to the garage makes you a car.

A censor is a man who knows more than he thinks you ought to.