That which is clearly known hath less terror than that which is but hinted at and guessed.

It isn't true that the laws of nature have been capriciously disturbed; that snakes have talked; that women have been turned into salt; that rods have brought water out of rocks.

I consider that a man's brain originally is like a little empty attic, and you have to stock it with such furniture as you choose.

Well, I'm a bacteriologist, you know. I live in a nine-hundred-diameter microscope. I can hardly claim to take serious notice of anything that I can see with my naked eye.

A study of family portraits is enough to convert a man to the theory of reincarnation.

I am not a very good man, Effie, but I think that I am a better one than you have given me credit for being.

I am a brain, Watson. The rest of me is a mere appendix.