[Alexander von Humboldt was the] greatest scientific traveller who ever lived.

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!

Electoral politics was always an objective of the Black Panther party, so Barack Obama is a part of what we dreamed and struggled and died for.

Toil and risk are the price of glory, but it is a lovely thing to live with courage and die leaving an everlasting fame.

'I don't believe you've changed at all, Charles.' 'No, I'm afraid not.' 'D'you want to change?' 'It's the only evidence of life.'

There was a house at the foot of the tower, close to the thunder of the waves breaking against the cliffs, where love was more intense because it seemed like a shipwreck.

Remarks aren't literature.

I would say just in general, in life, I'm more willing to be animated as a person, and so obviously onstage as well.

Festive alcohol sometimes leads to an excess of honesty.

I've turned down projects based on raunchiness before.

Devotion required by the Gita is no soft-hearted effusiveness.

If you leave, we lose and our pasts win.