Much ingenuity with a little money is vastly more profitable and amusing than much money without ingenuity.

You are not in charge of the universe; you are in charge of yourself.

Your own mind is a sacred enclosure into which nothing harmful can enter except by your permission.

Falsehood often lurks upon the tongue of him, who, by self-praise, seeks to enhance his value in the eyes of others.

I ought to reflect again and again, and yet again, that the beings that I have to steer are just as inevitable in the scheme of evolution as I am myself; have just as much right to be themselves as I am entitled to; and they all deserve from me as much sympathy as I give to myself.

All wrong doing is done in the sincere belief that it is the best thing to do.

The war years count double. Things and people not actively in use age twice as fast.