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

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!

How far you go in life and in your career is dependent on how far you can think good thoughts!

I've been clinging to this world like a discarded shell of an insect stuck to a branch, about to be blown off forever by a gust of wind.

What would life be without challenges?

I have never believed you go to war in Iraq, you go to war in Afghanistan, and believe that you can deal with those battlefields, those countries, in microcosms, or narrow channels.

Blessed books—they’re a place to be alone, and no one else can come in.

I don't make a deal with Sergeant Bergdahl, where we get Bergdahl, a traitor, and they get their five people that they most wanted. Five for one.

It happens to be one of those days when I see everybody in the family, including myself, through the wrong end of a telescope.

The difference between magic and miracles is this. Magic is when you use your mind to tell the Universe what you want. Miracles is when you ask the Universe what it wants and how you can serve it'

I like to pride myself on thinking pretty long term, but not that long term.

NFL owners should quit worrying about silly things like players celebrating in the end zone. They should give them something to really celebrate. Get rid of the artificial surfaces.