Philosophy is the product of wonder.

The absolute pacifist is a bad citizen; times come when force must be used to uphold right, justice and ideals.

Our rate of progress is such that an individual human being, of ordinary length of life, will be called on to face novel situations which find no parallel in his past. The fixed person, for the fixed duties, who, in older societies was such a godsend, in the future will be a public danger.

What the learned world tends to offer is one second-hand scrap of information illustrating ideas derived from another second-hand scrap of information. The second-handedness of the learned world is the secret of its mediocrity.

An enormous part of our mature experience cannot not be expressed in words.

True courage is not the brutal force of vulgar heroes, but the firm resolve of virtue and reason.

Learning preserves the errors of the past as well as its wisdom.