Mathematics, rightly viewed, possesses not only truth, but supreme beauty-a beauty cold and austere ... yet sublimely pure and capable of stern perfection such as only the greatest art can show.

There are infinite possibilities of error, and more cranks take up fashionable untruths than unfashionable truths.

Many a marriage hardly differs from prostitution, except being harder to escape from.

Drunkeness is temporary suicide: the happiness that it brings is merely negative, a momentary cessation of unhappiness.

All great books contain boring portions, and all great lives have contained uninteresting stretches.

The whiter my hair becomes, the more ready people are to believe what I say.

Have no respect for the authority of others, for there are always contrary authorities to be found