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

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?

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

Animals are good to think with.

There be beasts that, at a year old, observe more, and pursue that which is for their good more prudently, than a child can do at ten.

Man is the only animal for whom his own existence is a problem which he has to solve and from which he cannot escape.

The righteous know the needs of their animals, but the mercy of the wicked is cruel.

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

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. 

Who hears the fishes when they cry?

It is remarkable that only small birds properly sing.

Of all the creatures that breathe and creep on the surface of the earth, none is more to be pitied than man.

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