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.

Every mistake has three stages: first, it is made, second, it is not admitted, and third, it’s claimed it didn’t make any difference anyway.

The first Matrix genius, the second one, what's up with the dancing? I haven't even seen the third one.

Our game plan is first year, a .500 season. Second year, a conference championship. Third year, undefeated. Fourth, a national championship. And by the fifth year, we'll be on probation, of course.

The vine bears three kinds of grapes: the first of pleasure, the second of intoxication, the third of disgust.

Sometimes, you get things right the first time. Others, the second. But the third time, they say, is the charm.