No man is ever old enough to know better.

Your library is your portrait.

There are only two classes in society: those who get more than they earn, and those who earn more than they get.

Only one-fourth of the sorrow in each man's life is caused by outside uncontrollable elements, the rest is self-imposed by failing to analyze and act with calmness.

Fear of corrupting the mind of the younger generation is the loftiest form of cowardice.

Books are never out of humour; never envious or jealous, they answer all questions with readiness; ... they teach us how to live and how to die; they dispel melancholy by their mirth, and amuse by their wit; they prepare the soul to suffer everything and desire nothing; they introduce us to ourselves.

Genius is initiative on fire.