There is a time for politeness and there is a time when you are obliged to be rude.

I should emphasize this, to keep well-meaning but misguided multiculturalists at bay: the theoretical entities in which these tribal people frankly believe — the gods and other spirits — don't exist. These people are mistaken, and you know it as well as I do. It is possible for highly intelligent people to have a very useful but mistaken theory, and we don't have to pretend otherwise in order to show respect for these people and their ways.

Some of the greatest, most revolutionary advances in science have been given their initial expression in attractively modest terms, with no fanfare.

YES we have a soul but it's made of lots of tiny robots

Wherever there is a design that is highly successful in a broad range of similar environments, it is apt to emerge again and again, independently - the phenomenon known in biology as convergent evolution. I call these designs 'good tricks.'

The earth has grown a nervous system, and it's us.

Darwin's idea of natural selection makes people uncomfortable because it reverses the direction of tradition.