Don't keep saying, "I don't know where the time goes." It goes the same place it's always gone and no one has ever known where that is.

If I'd known how many problems I was going to run into before I finished, I can't remember a single project I would have started.

If you put on an item of clothing that hurts just because you have an idea it looks better or conforms to what other people are wearing, it's dumb.

You're almost always better off keeping your mouth shut, but don't let that stop you from popping off.

There are more beauty parlors than there are beauties.

Before a kid learns how to use a computer that can solve mathematical problems, he or she should know how to do arithmetic without a computer.

I'd like to take some calculus, too. I have absolutely no ability in that direction and not much interest, either, but there's something going on in mathematics that I don't understand, and I'd like to find out what it is.