For the educated, the authority of science rested on the strictness of its methods; for the mass, it rested on the powers of explanation.

The nation in arms is virtually a communist state: the people must be paid wages and fed and protected and regimented behind the lines as much as on the front. Minds must be kept loyal and at the right pitch of hate, so that successive drafts of fighters are accepted without murmurings. Letters and newspapers must be censored while the propaganda mill grinds on. As for decisions of strategy and overall command, they must please many masters: dissenters in the cabinet, the heads of the allied states and public opinion. Hence failures must be disguised or concealed.

Tennis belongs to the individualistic past - a hero, or at most a pair of friends or lovers, against the world.

The test and the use of man's education is that he finds pleasure in the exercise of his mind.

The book, like the bicycle, is a perfect form.

The ascetic is often a sensualist who has reached the limit of his capacity.

In teaching you cannot see the fruit of a day's work. It is invisible and remains so, maybe for twenty years.