The humans have a curious force they call ambition. It drives them, and, through them, it drives us. This force which keeps them active, we lack. Perhaps, in time, we machines will acquire it.

The simple rely on a bolstering mass of maxim and precept, so do the timid, so do the mentally lazy – and so do all of us, more than we imagine.

I shall pray God to send charity into this hideous world, and sympathy for the weak, and love for the unhappy and unfortunate. I shall ask Him if it is indeed His will that a child should suffer and its soul be damned for a little blemish of the body.

Children have a different convention of the fearful until they have been taught the proper things to be shocked at.

The essential quality of life is living' the essential quality of living is change; change is evolution; and we are part of it.

I don't think it had ever occurred to me that man's supremacy is not primarily due to his brain, as most of the books would have one think. It is due to the brain's capacity to make use of the information conveyed to it by a narrow band of visible light rays. His civilization, all that he had achieved or might achieve, hung upon his ability to perceive that range of vibrations from red to violet. Without that, he was lost.

The clock is the most sacred thing in a hospital.