It does not matter what men say in words, so long as their activities are controlled by settled instincts. The words may ultimately destroy the instincts; but until this has occurred, words do not count.

A great society is a society in which its men of business think greatly of their functions.

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.

Nobody has a right to speak more clearly than he thinks.

Education is the acquisition of the art of the utilisation of knowledge.

Inventive genius requires pleasurable mental activity as a condition for its vigorous exercise

The science of pure mathematics, in its modern developments, may claim to be the most original creation of the human spirit.