Music expresses feeling and thought, without language; it was below and before speech, and it is above and beyond all words.

Only a few years ago there was no person too ignorant to successfully answer Charles Darwin; and the more ignorant he was the more cheerfully he undertook the task.

One laugh of a child will make the holiest day more sacred still.

Intelligence is the only moral guide.

I want no heaven for which I must give my reason; no happiness in exchange for my liberty, and no immortality that demands the surrender of my individuality. Better rot in the windowless tomb, to which there is no door but the red mouth of the pallid worm, than to wear the jeweled collar of a god.

Is there an intelligent man or woman now in the world who believes in the Garden of Eden story? If you find any man who believes it, strike his forehead and you will hear an echo. Something is for rent.

Too much doubt is better than too much credulity.