What is the difference between a taxidermist and a tax collector? The taxidermist takes only your skin.

All you need is ignorance and confidence and the success is sure.

Such is professional jealousy; a scientist will never show any kindness for a theory which he did not start himself.

It is a worthy thing to fight for one's freedom; it is another sight finer to fight for another man's.

Of all the animals, man is the only one that is cruel. He is the only one that inflicts pain for the pleasure of doing it.

The common eye sees only the outside of things, and judges by that, but the seeing eye pierces through and reads the heart and the soul, finding there capacities which the outside didn't indicate or promise, and which the other kind of eye couldn't detect.

The cayote is a living, breathing allegory of Want. He is always hungry. He is always poor, out of luck and friendless. The meanest creatures despise him, and even the fleas would desert him for a velocipede.