Attention-deficit disorders seem to abound in modern society, and we don't know the cause.

[When asked if the voice is an instrument:] Yes, of course. Some are violins, some are fountain pens and some are stethoscopes. And others are just washboards.

Think of a hypothesis as a card. A theory is a house made of hypotheses.

Everybody loves an accent. It you've been unlucky in love, consider pulling up stakes and moving to another country. Then you'll be the one with a neat foreign accent.

A good leader needs to stand behind his or her followers as often as he or she needs to stand in front of them.

Working in an office with an array of electronic devices is like trying to get something done at home with half a dozen small children around. The calls for attention are constant.

Just because you're unemployed doesn't mean you're not doing anything useful. You are, for example, at least keeping your mother-in-law's wit sharp.