Above all things expand the frontiers of science: without this the rest counts for nothing.

It thunders, howls, roars, hisses, whistles, blusters, hums, growls, rumbles, squeaks, groans, sings, crackles, cracks, rattles, flickers, clicks, snarls, tumbles, whimpers, whines, rustles, murmurs, crashes, clucks, to gurgle, tinkles, blows, snores, claps, to lisp, to cough, it boils, to scream, to weep, to sob, to croak, to stutter, to lisp, to coo, to breathe, to clash, to bleat, to neigh, to grumble, to scrape, to bubble. These words, and others like them, which express sounds are more than mere symbols: they are a kind of hieroglyphics for the ear.

It is a question whether, when we break a murderer on the wheel, we do not fall into the error a child makes when it hits the chair it has bumped into.

As soon as you know a man to be blind, you imagine that you can see it from his back.

We are obliged to regard many of our original minds as crazy at least until we have become as clever as they are.

Delight at having understood a very abstract and obscure system leads most people to believe in the truth of what it demonstrates.

Some people read only because they are too lazy to think.