The great comfort of turning forty-nine is the realization that you are now too old to die young.
No experiment is ever a complete failure. It can always be used as a bad example.
The human hand is made complete by the addition of a baseball.
Don't bite the hand that has your allowance in it.
A businessman needs three umbrellas - one to leave at the office, one to leave at home, and one to leave on the train.
In any decision situation, the amount of relevant information available is inversely proportional to the importance of the decision.