To know an object is to lead to it through a context which the world provides

Seek out that particular mental attribute which makes you feel most deeply and vitally alive, along with which comes the inner voice which says, 'This is the real me,' and when you have found that attitude, follow it.

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

Man lives for science as well as bread.

[T]here is very little difference between one person and another, but what little difference ther eis, is very important.

Success or failure depends more upon attitude than upon capacity.

Geniuses are commonly believed to excel other men in their power of sustained attention . . . But it is their genius making them attentive, not their attention making geniuses of them.