Keep running after a dog, and he will never bite you.

In every man is a wild beast; most of them don’t know how to hold it back, and the majority give it full rein when they are not restrained by terror of law.

Man is no man, but a wolf, to a stranger.

How like to us is that filthy beast the ape.

Who sleepeth with dogs shall rise with fleas.

Cows are among the gentlest of breathing creatures; none show more passionate tenderness to their young when deprived of them—and, in short, I am not ashamed to profess a deep love for these quiet creatures.

We call them dumb animals, and so they are, for they cannot tell us how they feel, but they do not suffer less because they have no words.

An ape will be an ape, though clad in purple.

Imitate the ass in his love to his master.

It is remarkable that only small birds properly sing.

Man is the only animal that laughs and weeps, for he is the only animal that is struck with the difference between what things are and what they ought to be.

I do not mean to call an elephant a vulgar animal, but if you think about him carefully, you will find that his nonvulgarity consists in such gentleness as is possible to elephantine nature—not in his insensitive hide, nor in his clumsy foot, but in the way he will lift his foot if a child lies in his way; and in his sensitive trunk, and still more sensitive mind, and capability of pique on points of honor.

I hate the sight of monkeys; they remind me so of poor relations.