I have long discovered that geologists never read each other's works, and that the only object in writing a book is a proof of earnestness.

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!

Two blind men waited at the end of an era, contemplating beauty.

When you clean up a city, you destroy it.

I don't want to be married just to be married.

By His life, death, and resurrection, our Savior has conquered our enemies, and by His Spirit He has granted us to share in the victory.

My most important quality or property is curiosity. And that had its beginning in what I was going to do with my life.

If you knew the secret of life, you too would choose no other companion but love.

For Cambridge people rarely smile, Being urban, squat, and packed with guile.

There's a certain class of people who will do you in and then remain completely mystified by the depth of your pain.

Man was made for the highest activity, which is, in fact, his rest.

If you can't, then you must!