Nature is probably quite indifferent to the aesthetic preferences of mathematicians.

In every age of well-marked transition, there is the pattern of habitual dumb practice and emotion which is passing and there is oncoming a new complex of habit.

Style, in its finest sense, is the last acquirement of the educated mind; it is also the most useful. It pervades the whole being.

In this modern world, the celibacy of the medieval learned class has been replaced by a celibacy of the intellect which is divorced from the concrete contemplation of the complete facts.

No man of science wants merely to know. He acquires knowledge to appease his passion for discovery. He does not discover in order to know, he knows in order to discover.

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

Routine is the god of every social system; it is the seventh heaven of business, the essential component in the success of every factory, the ideal of every statesman. The social machine should run like clockwork.