Every doctor will allow a colleague to decimate a whole countryside sooner than violate the bond of professional etiquette by giving him away.

Give a man health and a course to steer, and he'll never stop to trouble about whether he's happy or not.

I ... must continue to strive for more knowledge and more power, though the new knowledge always contradicts the old and the new power is the destruction of the fools who misuse it.

Gambling promises the poor what property performs for the rich-something for nothing.

Who are those we love? Only those we do not hate.

Paradoxes are the only truths.

I am a sort of collector of religions: and the curious thing is that I find I can believe in them all.