We have not given science too big a place in our education, but we have made a perilous mistake in giving it too great a preponderance in method in every other branch of study.

Life does not consist in thinking, it consists in acting.

They [the children] live in a world of delightful imagination; they pursue persons and objects that never existed; they make an Argosy laden with gold out of a floating butterfly,--and these stupid [grown-up people] try to translate these things into uninteresting facts.

...to make the world safe for democracy.

If you lose your wealth, you have lost nothing; if you lose your health, you have lost something; but if you lose your character, you have lost everything.

If I am to speak ten minutes, I need a week for preparation; if an hour, I am ready now.

The fewer the desires, the more peace.