With the fearful strain that is on me night and day, if I did not laugh I should die.

I decided to sell my drawings. However, I didn't want people to buy my drawings because the professor of physics isn't supposed to be able to draw - isn't that wonderful - so I made up a false name.

When Britain and the U.S. invaded Iraq, it was with the reasonable expectation that it was going to increase the threat of terror, as it has.

You wouldn't believe the kind of hate mail I get about my work on irregular verbs.

I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.