There is no firm reason to anticipate that the intellectual capacities of peoples geographically separated in their evolution should prove to have evolved identically. Our wanting to reserve equal powers of reason as some universal heritage of humanity will not be enough to make it so.

Today, the theory of evolution is an accepted fact for everyone but a fundamentalist minority, whose objections are based not on reasoning but on doctrinaire adherence to religious principles.

The pace of discovery is going unbelievably fast.

A goodly number of scientists are not only narrow-minded and dull, but also just stupid.

If we don't play God, who will?

It's necessary to be slightly underemployed if you are to do something significant.

We're not all equal, it's simply not true. That isn't science.