Delight itself, however, is a weak term to express the feelings of a naturalist.

The love for all living creatures is the most noble attribute of man.

A man who dares to waste one hour of time has not discovered the value of life.

The world will not be inherited by the strongest, it will be inherited by those most able to change.

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

Building a better mousetrap merely results in smarter mice.

A mathematician is a blind man in a dark room looking for a black cat which isn't there.

An American monkey, after getting drunk on brandy, would never touch it again, and thus is much wiser than most men.

It is not the biggest, the brightest or the best that will survive, but those who adapt the quickest.

We can allow satellites, planets, suns, universe, nay whole systems of universes, to be governed by laws, but the smallest insect, we wish to be created at once by special act.

What a book a devil's chaplain might write on the clumsy, wasteful, blundering, low, and horribly cruel work of nature!

Knowledge makes you strong, wisdom makes you powerful, and love makes you invincible.

A single thought, he considered, could do all sorts of harm. Harm to what, he wasn't sure, but he identified it as harm.

In politics, if you're explaining, you're loosing.

Waiting is not mere empty hoping. It has the inner certainty of reaching the goal.

My husband is pretty particular about his cars. In his opinion, the Mercedes are the best of the best.

Protectiveness has often muffled the sound of doors closing against women.

It's terrible what's going on in Chicago.

Even when you sign a treaty like I think [Richard] Nixon did, the anti-ballistic missile treaty, George W. Bush reneged on it. He got out of. So any treaty can be withdrawn from.

Why do trees conceal the splendor of their roots?

... the moral equal of our Founding Fathers.