I take it that no man is educated who has never dallied with the thought of suicide.

We have to live today by what truth we can get today and be ready tomorrow to call it falsehood.

It is only in the lonely emergencies of life that our creed is tested: then routine maxims fail, and we fall back on our gods.

No living person is sunk so low as not to be imitated by somebody.

There is no more miserable human being than one in whom nothing is habitual but indecision.

There can be no final truth in ethics any more than in physics, until the last man has had his experience and said his say.

Pretend what we may, the whole man within us is at work when we form our philosophical opinions.

The first thing to learn in intercourse with others is non-interference with their own peculiar ways of being happy, provided those ways do not assume to interfere by violence with ours.

The sovereign source of melancholy is repletion. Need and struggle are what excite and inspire us; our hour of triumph is what brings the void.

Science herself consults her heart when she lays it down that the infinite ascertainment of fact and correction of false belief are the supreme goods for man.