What is morality in any given time or place? It is what the majority then and there happen to like and immorality is what they dislike.

The vigor of civilized societies is preserved by the widespread sense that high aims are worth-while.

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.

From the very beginning of his education, the child should experience the joy of discovery.

The ultimate metaphysical ground is the creative advance into novelty.

People make the mistake of talking about 'natural laws.' There are no natural laws. There are only temporary habits of nature.

The learned tradition is not concerned with truth, but with the learned adjustment of learned statements of antecedent learned people.