Setting a good example for children takes all the fun out of middle age.

It is impossible to travel faster than the speed of light, and certainly not desirable, as one's hat keeps blowing off.

The length of a film should be directly related to the endurance of the human bladder.

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.

Girls are always running through my mind. They don't dare walk.

To err is human, but to really foul things up requires a computer.