Anything invented before your fifteenth birthday is the order of nature. That's how it should be. Anything invented between your th and th birthday is new and exciting, and you might get a career there. Anything invented after that day, however, is against nature and should be prohibited.

It is folly to say you know what is happening to other people. Only they know, if they exist. They have their own Universes of their own eyes and ears.

'These things will become clear to you,' said the old man gently, 'at least,' he added with slight doubt in his voice, 'clearer than they are at the moment.'

It takes a long time before we really get to grips with this [Darwin's 'On the Origin of Species'] and begin to understand it, because not only does it seem incredible and thoroughly demeaning to us, but it's yet another shock to our system to discover that not only are we not the centre of the Universe and we're not made by anything, but we started out as some kind of slime and got to where we are via being a monkey. It just doesn't read well.

And then, just when you think that you have experienced all the wonders that this world has to offer, you round a peak and suddenly think you're doing the whole thing over again, but this time on drugs.

I say what it occurs to me to say when I think I hear people say things. More I cannot say.

Many men of course became extremely rich, but this was perfectly natural and nothing to be ashamed of because no one was really poor, at least no one worth speaking of.