Euclid avoids it [the treatment of the infinite]; in modern mathematics it is systematically introduced, for only then is generality obtained.

As for everything else, so for a mathematical theory: beauty can be perceived but not explained.

Projective geometry is all geometry.

So much the worse, it may be, for a particular meeting: but the meeting is the individual, which on evolution principles, must be sacrificed for the development of the race.

And in another point of view, I think it is right that the address of a president should be on his own subject, and that different subjects should be thus brought in turn before the meetings.

Metrical geometry is thus a part of descriptive geometry, and descriptive geometry is all geometry.

In terms of adaptability, humans are pretty amazingly useless.

If you get murdered because you go on a date with someone you met on the Internet, you probably deserved it.

My girlfriend Rhonda, who's now my wife, I graduated from high school, she got pregnant. My grandfather said, 'You've got to do the right thing.'

I could never, ever have an abortion.

The only bad days as a writer are the ones when you are too cowardly or too lazy to sit down at the keyboard and give it everything you have.

People who fail to accumulate money, without exception, have the habit of reaching decisions, if at all, very slowly, and of changing these decisions quickly and often.

International relations bears more than a slight resemblance to the mafia.

Junk bonds are the Holy Grail for hostile takeovers.

Raise high the roof-beam, carpenters. Like Ares comes the bridegroom, taller far than a tall man.

I want to make sure that the first person you kiss loves you, okay?