I consider Christian theology to be one of the great disasters of the human race.

It is the business of future to be dangerous.... The major advances in civilization are processes that all but wreck the societies in which they occur.

Nature is probably quite indifferent to the aesthetic preferences of mathematicians.

Speak out in acts; the time for words has passed, and only deeds will suffice.

The race that does not value trained intelligence is doomed.

Philosophy begins in wonder. And, at the end, when philosophic thought has done its best, the wonder remains.

Art is the imposing of a pattern on experience, and our aesthetic enjoyment is recognition of the pattern.