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.

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.

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

The more one thinks, the more one feels the hopeless immensity of man's ignorance.

Usually it's like this: I sit down and drink with the idea of clarifying just where I am going with my life, and then, after a while, I am unable even to stand on my feet

A man hath no better thing under the sun than to eat and to drink and to be merry.

So great has been the endurance, so incredible the achievement, that, as long as the sun keeps a set course in heaven, it would be foolish to despair othe human race.

You know you're living right when you wake up, brush your hair - and confetti falls out!

I write about my life and my own experience, but I also write about things that I have no knowledge of whatsoever.

Every great idea emerges out of a process of trial-and-error experimentation.

If you go to a building to skate, or if you go to these places to skate, you're told it's against the law in some cities. It's definitely a bummer. It's unfortunate.

Self-possession is the backbone of authority.

To an artist a metaphor is as real as a dollar.

If a lion is not accepted in its own den, it will find no refuge in the rest of the jungle.