What delight can there be, and not rather displeasure, in hearing the barking and howling of dogs? Or what greater pleasure is there to be felt when a dog followeth a hare than when a dog followeth a dog?

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.

It is remarkable that only small birds properly sing.

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.

Animals are good to think with.

Men, my dear, are very queer animals—a mixture of horse nervousness, ass stubbornness, and camel malice.

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. 

When the eagles are silent, the parrots begin to jabber.

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

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

Histories are more full of examples of the fidelity of dogs than of friends.

Go to the ant, you lazybones; consider its ways, and be wise.

Man is the only animal that can remain on friendly terms with the victims he intends to eat until he eats them.