The merely well-informed man is the most useless bore on God's earth.

The task of a university is the creation of the future, so far as rational thought and civilized modes of appreciation can affect the issue.

There is a tradition of opposition between adherents of induction and of deduction. In my view it would be just as sensible for the two ends of a worm to quarrel.

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.

Life is an offensive, directed against the repetitious mechanism of the Universe.

That knowledge which adds greatness to character is knowledge so handled as to transform every phase of immediate experience.

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.