I cannot see ... evidence of design and beneficence ... There seems to me too much misery in the world.

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!

He who doesn't understand history is doomed to repeat it.

If I had the authority to pick and choose who gets to know Christ as Savior, that would make me God. Thank the one true God that I am not.

Men do not quit playing because they grow old

There is no limit to the extent of the potential that is open to you.

The essence of prayer even of a mystical experience is the way we are altered to see everything from its life-filled dimension.

The opposite of play isn’t work. It’s depression. To play is to act out and be willful, exultant and committed as if one is assured of one’s prospects.

When we bring what is within out into the world, miracles happen.

Unwearied ceaseless effort is the price that must be paid for turning faith into a rich infallible experience.

I imagine that fish have no word for water.

The nail doesn't choose the time or the circumstances in which it is drawn to the magnet