Admit at least one painful truth to yourself every day. Teach yourself to feel that life would still be worth living even if you were not immeasurably superior to all your friends. Exercises of this sort, prolonged through several years, will at last enable you to admit facts without flinching, and will, in so doing, free you from the empire of fear over a very large field.

A happy life must be to a great extent a quiet life, for it is only in an atmosphere of quiet that true joy dare live.

A priori Logical propositions are such as can be known a priori without study of the actual world.

When one admits that nothing is certain one must, I think, also admit that some things are much more nearly certain than others.

Man is the product of causes which had no prevision of the end they were achieving; his origin, his growth, his hopes and fears, his loves and beliefs, are but the outcome of accidental collocations of atoms; no fire, no heroism, no intensity of though and feeling, can preserve an individual life beyond the grave.

The man who only loves beautiful things is dreaming, whereas the man who knows absolute beauty is wide awake.

America... where law and custom alike are based upon the dreams of spinsters...