If man had not been his own classifier, he would never have thought of founding a separate order for his own reception.

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!

One should never do wrong in return, nor mistreat any man, no matter how one has been mistreated by him.

No one who meets Jesus ever stays the same.

There are no perfect leaders.

My master gives me bread and beer and every good thing.

Eugenic goals are most likely to be attained under another name than eugenics.

I've been married nearly 34 years, I'm not perfect, I've made mistakes.

The once-science-fiction notion of hyper-connectivity - where we are all constantly connected to social networks and other bubbling streams of digital data - has rapidly become a widespread reality.

All walking is discovery. On foot we take the time to see things whole.

The social sciences were for all those who had not yet decided what to do with their lives, and for all those whose premature frustrations led them into the sterile alleys of confrontation.

Grief is put to flight and assuaged by generous draughts.