I came out for exercise, gentle exercise, and to notice the scenery and to botanise. And no sooner do I get on that accursed machine than off I go hammer and tongs; I never look to right or left, never notice a flower, never see a view - get hot, juicy, red - like a grilled chop. Get me on that machine and I have to go. I go scorching along the road, and cursing aloud at myself for doing it.

If you are in difficulties with a book, try the element of surprise: attack it at an hour when it isn't expecting it.

It is not reasonable that those who gamble with men's lives should not stake their own.

Everywhere in the world there are ignorance and prejudice, but the greatest complex of these, with the most extensive prestige and the most intimate entanglement with traditional institutions, is the Roman Catholic Church.

The great trouble with you Americans is that you are still under the influence of that second-rate - shall I say third-rate? - mind, Karl Marx.

A day will come when beings, now latent in our thoughts and hidden in our loins, shall stand upon Earth as a footstool and laugh, and reach out their hands amidst the stars.

There is no reason whatever to believe that the order of nature has any greater bias in favour of man than it had in favour of the ichthyosaur or the pterodactyl.