The less a tourist knows, the fewer mistakes he need make, for he will not expect himself to explain ignorance.

My belief is that science is to wreck us, and that we are like monkeys monkeying with a loaded shell; we don't in the least know or care where our practically infinite energies come from or will bring us to.

Artists... disappeared long ago as social forces. So did the church.

Unity is vision; it must have been part of the process of learning to see.

Some day science may have the existence of mankind in its power, and the human race commit suicide, by blowing up the world.

Every one must bear his own universe, and most persons are moderately interested in learning how their neighbors have managed to carry theirs.

In the one branch he most needed