The fly that doesn't want to be swatted is most secure when it lights on the fly-swatter.

Some people read only because they are too lazy to think.

Whenever he composes a critical review, I have been told, he gets an enormous erection.

If there were only turnips and potatoes in the world, someone would complain that plants grow the wrong way.

We have no words for speaking of wisdom to the stupid. He who understands the wise is wise already.

Some theories are good for nothing except to be argued about.

So-called professional mathematicians have, in their reliance on the relative incapacity of the rest of mankind, acquired for themselves a reputation for profundity very similar to the reputation for sanctity possessed by theologians.