Education should turn out the pupil with something he knows well and something he can do well.

The ultimate metaphysical ground is the creative advance into novelty.

The importance of an individual thinker owes something to chance. For it depends upon the fate of his ideas in the minds of his successors.

Mathematics as a science, commenced when first someone, probably a Greek, proved propositions about "any" things or about "some" things, without specifications of definite particular things.

We must produce a great age, or see the collapse of the upward striving of our race.

The safest general characterization of the European philosophical tradition is that it consists of a series of footnotes to Plato.

A science which hesitates to forget its founders is lost.