In poetry everything which must be said is almost impossible to say well.

Man's great misfortune is that he has no organ, no kind of eyelid or brake, to mask or block a thought, or all thought, when he wants to.

The future, like everything else, is no longer quite what it used to be.

Just as water, gas, and electricity are brought into our houses from far off to satisfy our needs in response to a minimal effort, so we shall be supplied with visual or auditory images, which will appear and disappear at a simple movement of the hand, hardly more than a sign.

My soul is nothing now but the dream dreamt by matter struggling with itself!

There is a difference if we see something with a pencil in our hand or without one.

Science is feasible when the variables are few and can be enumerated; when their combinations are distinct and clear. We are tending toward the condition of science and aspiring to do it. The artist works out his own formulas; the interest of science lies in the art of making science.