I firmly believe, that before many centuries more, science will be the master of man. The engines he will have invented will be beyond his strength to control. Someday, science shall have the existence of mankind in its power, and the human race commit suicide by blowing up the world.

Analogies are figures intended to serve as fatal weapons if they succeed, and as innocent toys if they fail.

History is a tangled skein that one may take up at any point, and break when one has unravelled enough.

If any one of us has had an ambition higher than that of making money; a motive better than that of expediency; a faith warmer than that of reasoning; a love purer than that of the self; he has been slow to express it; still slower to urge it.

I want to be advertised and the easiest way is to do something obnoxious and do it well.

Politics, as a practise, whatever its professions, has always been the systematic organization of hatreds.

No man means all he says, and yet very few say all they mean, for words are slippery and thought is viscous.