In the morning I awoke early and experienced that sinking sensation that overcomes you when you first open your eyes and realize that instead of a normal day ahead of you, with its scatterings of simple gratifications, you are going to have a day without even the tiniest of pleasures; you are going to drive across Ohio.

It was an odd situation. For a century and a half, men got rid of their own hair, which was perfectly comfortable, and instead covered their heads with something foreign and uncomfortable. Very often it was actually their own hair made into a wig. People who couldn't afford wigs tried to make their hair look like a wig.

Where I grew up, in Des Moines, Iowa, there is hardly any downtown economic activity now. Everybody shops in malls - you don't find a sense of community in malls.

...and it occurred to me, with the forcefulness of a thought experienced in 360 degrees, that that's really what history mostly is: masses of people doing ordinary things.

If a potato can produce vitamin C, why can't we? Within the animal kingdom only humans and guinea pigs are unable to synthesize vitamin C in their own bodies. Why us and guinea pigs? No point asking. Nobody knows.

When the poet Paul Valery once asked Albert Einstein if he kept a notebook to record his ideas, Einstein looked at him with mild but genuine surprise. "Oh, that's not necessary," he replied . "It's so seldom I have one.

You don't need a science degree to understand about science. You just need to think about it.