A nation without dregs and malcontents is orderly, peaceful and pleasant, but perhaps without the seed of things to come.

The future belongs to the learners-not the knowers.

Action is at bottom a swinging and flailing of the arms to regain one's balance and keep afloat.

Though dissenters seem to question everything in sight, they are actually bundles of dusty answers and never conceived a new question. What offends us most in the literature of dissent is the lack of hesitation and wonder.

One word characterizes the most strenuous of the efforts for the advancement of science that I have made perservereingly during fifty-five years; that word is failure

Thought is a process of exaggeration. The refusal to exaggerate is not infrequently an alibi for the disinclination to think or praise.

A man's worth is what he is divided by what he thinks he is.