“Besides love and sympathy, animals exhibit other qualities connected with the social instincts which in us would be called moral.”

Man, wonderful man, must collapse, into nature’s cauldron, he is no deity, he is no exception.

Even people who aren’t geniuses can outthink the rest of mankind if they develop certain thinking habits.

I love fools’ experiments. I am always making them.

I have called this principle, by which each slight variation, if useful, is preserved, by the term of Natural Selection.

Man in his arrogance thinks himself a great work, worthy of the interposition of a deity. More humble, and I believe truer, to consider him created from animals.

It is a cursed evil to any man to become as absorbed in any subject as I am in mine.

If I had my life to live over again, I would have made a rule to read some poetry and listen to some music at least once every week.

Man selects only for his own good: Nature only for that of the being which she tends.

We stopped looking for monsters under our bed when we realized that they were inside us.

Nothing exists for itself alone, but only in relation to other forms of life.

The most powerful natural species are those that adapt to environmental change without losing their fundamental identity which gives them their competitive advantage.

Such simple instincts as bees making a beehive could be sufficient to overthrow my whole theory.

In conclusion, it appears that nothing can be more improving to a young naturalist, than a journey in distant countries.

I am dying by inches, from not having any body to talk to about insects.

Light may be shed on man and his origins.

It is always advisable to perceive clearly our ignorance.

I carry around this little lion named Leo, which I’ve had for as long as I can remember.

The pastor ought to have two voices: one, for gathering the sheep; and another, for warding off and driving away wolves and thieves. The Scripture supplies him with the means of doing both.

Cats invented self-esteem.

Even a wolf knows how to be polite when animalistic humans have no clue about politeness.

You know it’s time to start using mouthwash when your dentist leaves the room and sends in a canary.

The secret is, first, get a thoroughbred horse because they are the most nervous animals on earth. Then get the biggest gun you can find and make sure the starter fires that big gun right by the nervous thoroughbred’s ear.

You got beef, bring your cow, I will cattle you.

Democracy is the art and science of running the circus from the monkey cage.