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 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.

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

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.

Why should I? I've done nothing to be ashamed of. I am not ashamed - I am only beaten

If you run away from a thing just because you don't like it, you don't like what you find either.

And we danced, on the brink of an unknown future, to an echo from a vanished past.