It is a fool's plan to teach a man to be a cur in peace, and think that he will be a lion in war.

One must wait till it comes.

I have wrought my simple plan If I give one hour of joy To the boy who’s half a man, Or the man who’s half a boy.

There is a mystery about this which stimulates the imagination; where there is no imagination there is no horror.

Well, I'm a bacteriologist, you know. I live in a nine-hundred-diameter microscope. I can hardly claim to take serious notice of anything that I can see with my naked eye.

There is nothing more to be said or to be done tonight, so hand me over my violin and let us try to forget for half an hour the miserable weather and the still more miserable ways of our fellowmen.

How wise and how merciful is that provision of nature by which his earthly anchor is usually loosened by many little imperceptible tugs, until his consciousness has drifted out of its untenable earthly harbor into the great sea beyond!