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

I did not, however, commit suicide, because I wished to know more of mathematics.

Only in thought is man a God; in action and desire we are the slaves of circumstance.

Cruelty is, in theory, a perfectly adequate ground for divorce, but it may be interpreted so as to become absurd.

A stupid man's report of what a clever man says can never be accurate, because he unconsciously translates what he hears into something he can understand.

Happiness, as is evident, depends partly upon external circumstances and partly upon oneself.

The essence of life is doing things for their own sakes.