Let us beware of saying that death is the opposite of life. The living being is only a species of the dead, and a very rare species.

When I was about thirteen, the library was going to get 'Calculus for the Practical Man.' By this time I knew, from reading the encyclopedia, that calculus was an important and interesting subject, and I ought to learn it.

The universe is wider than our views of it.

An intelligent man is sometimes forced to be drunk to spend time with his fools.

I suppose if you look back to your early childhood you accept everything people tell you, and that includes a heavy dose of irrationality - you're told about tooth fairies and Father Christmas and things.