God may not play dice with the universe, but something strange is going on with the prime numbers.
Television is something the Russians invented to destroy American education.
There'll be plenty of time to rest in the grave.
The purpose of life is to conjecture and prove.
When I was a child, the Earth was said to be two billion years old. Now scientists say it's four and a half billion. So that makes me two and a half billion.
There are three signs of senility. The first sign is that a man forgets his theorems. The second sign is that he forgets to zip up. The third sign is that he forgets to zip down.