The Universe knows itself and expands itself through me.

Have love for your friend up to a limit for it is possible he may turn into your enemy some day; and hate your enemy up to a limit for it is possible he may turn into your friend some day.

Of all the agonies in life, that which is most poignant and harrowing--that which for the time annihilates reason, and leaves our whole organization one lacerated, mangled heart--is the conviction that we have been deceived where we placed all the trust of love.

We hope that, when the insects take over the world, they will remember with gratitude how we took them along on all our picnics.

I don't think other people in the world would share the view there is mounting chaos.

Man is the animal that intends to shoot himself out into interplanetary space, after having given up on the problem of an efficient way to get himself five miles to work and back each day.

Books are delightful when prosperity happily smiles; when adversity threatens, they are inseparable comforters. They give strength to human compacts, nor are grave opinions brought forward without books. Arts and sciences, the benefits of which no mind can calculate. depend upon books.