If only I had thought of a Kodak! I could have flashed that glimpse of the Under-world in a second, and examined it at leisure.

The character of the Open Conspiracy [the movement towards a world collective] will now be plainly displayed. It will have become a great world movement as widespread and evident as socialism or communism. It will largely have taken the place of these movements. It will be more, it will be a world religion.

I never yet heard of a useless thing that was not ground out of existence by evolution sooner or later. Did you? And pain gets needless.

Science is a match that man has just got alight. He thought he was in a room - in moments of devotion, a temple - and that his light would be reflected from and display walls inscribed with wonderful secrets and pillars carved with philosophical systems wrought into harmony. It is a curious sensation, now that the preliminary splutter is over and the flame burns up clear, to see his hands and just a glimpse of himself and the patch he stands on visible, and around him, in place of all that human comfort and beauty he anticipated - darkness still.

It is not much good thinking of a thing unless you think it out.

It is a law of nature we overlook, that intellectual versatility is the compensation for change, danger, and trouble. An animal perfectly in harmony with its environment is a perfect mechanism. Nature never appeals to intelligence until habit and instinct are useless. There is no intelligence where there is no change and no need of change. Only those animals partake of intelligence that have a huge variety of needs and dangers.

We're in a blessed drainpipe, and we've got to crawl along it till we die.