Every epoch has its character determined by the way its population reacts to the material events which they encounter.

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

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.

Without adventure civilization is in full decay.

The justification for a university is that it preserves the connection between knowledge and the zest of life, by uniting the young and the old in the imaginative consideration of learning.

There is a technique, a knack, for thinking, just as there is for doing other things. You are not wholly at the mercy of your thoughts, any more than they are you. They are a machine you can learn to operate.

Education with inert ideas is not only useless; it is above all things harmful.