We surely know by some nameless instinct more about our futures than we think we know.

From a drop of water a logician could infer the possibility of an Atlantic or a Niagara without having seen or heard of one or the other.

I should dearly love that the world should be ever so little better for my presence. Even on this small stage we have our two sides, and something might be done by throwing all one's weight on the scale of breadth, tolerance, charity, temperance, peace, and kindliness to man and beast. We can't all strike very big blows, and even the little ones count for something.

For strange effects and extraordinary combinations we must go to life itself, which is always far more daring than any effort of the imagination.

It is a mistake to confound strangeness with mystery.

A man should keep his little brain attic stocked with all the furniture that he is likely to use, and the rest he can put away in the lumber-room of his library, where he can get it if he wants it.

It is decreed by a merciful Nature that the human brain cannot think of two things simultaneously . . .