As a thinker and planner the ant is the equal of any savage race of men; as a self-educated specialist in several arts she is the superior of any savage race of men; and in one or two high mental qualities she is above the reach of any man, savage or civilized!

Stripping away the irrational, the illogical, and the impossible, I am left with atheism. I can live with that.

A successful book is not made of what is in it, but what is left out of it.

It is curious that physical courage should be so common in the world and moral courage so rare.

I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.

If we were meant to talk more than listen, we would have two mouths and one ear.

It consists mainly of the storm of thoughts that is forever blowing through one's head.