Every creature in the world is like a book and a picture, to us, and a mirror.

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

A dog starved at his master’s gate / Predicts the ruin of the state.

Imitate the ass in his love to his master.

Happiness is a warm puppy.

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.

Animals are such agreeable friends—they ask no questions, they pass no criticisms.

Life is no way to treat an animal.

Animals are in possession of themselves; their soul is in possession of their body. But they have no right to their life, because they do not will it. 

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

If you are a dog and your owner suggests that you wear a sweater, suggest that he wear a tail.

How like to us is that filthy beast the ape.

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.