I am not responsible for what other people think. I am responsible only for what I myself think, and I know what that is. No idea I've ever come up with has ever struck me as a divine revelation. Nothing I have ever observed leads me to think there is a God watching over me.

We all know we fall. Newton's discovery was that the moon falls, too-and by the same rule that we do.

I'm an indoors person. I'm not afraid of the outdoors and I penetrate it easily and cheerfully. However, I must admit I like Central Park better than the wilderness, and I like the canyons of Manhattan better than Central Park, and I like the interior of my apartment better than the canyons of Manhattan, and I like my two rooms better with the shades down at all times than with the shades up. I'm not an agoraphobe at all, but I am a claustrophile, if you see the distinction.

The true artist is quite rational as well as imaginative and knows what he is doing; if he does not, his art suffers.

Creationists make it sound as though a 'theory' is something you dreamt up after being drunk all night.

And in man is a three-pound brain which, as far as we know, is the most complex and orderly arrangement of matter in the universe.

One might accept death reasoningly, with every aspect of the conscious mind, but the body was a brute beast that knew nothing of reason.