Ultimately humanity is one, and this small planet is our only home. If we're to protect this home of ours, each of us needs to experience a vivid sense of universal altruism and compassion.

Tiny tweaks can lead to big changes.

Profit has to be a means to other ends rather than an end in itself.

There is no such thing as philosophy-free science, just science that has been conducted without any consideration of its underlying philosophical assumptions.

We're fifteen to twenty years out of date in how we think about renewables.

Man, so long as he remains free, has no more constant and agonizing anxiety than find as quickly as possible someone to worship.

When blacks are left entirely to their own devices, Western civilization - any kind of civilization - disappears.

But at the same time, I have trouble keeping things out of books, which is why I don't write short stories because they turn into novels.

Don't keep telling your parents they don't understand you. Believe me it's much worse when they do. There's just a chance, you know - they really might.

The Frenchman, easy, debonair, and brisk, Give him his lass, his fiddle, and his frisk, Is always happy, reign whoever may, And laughs the sense of mis'ry far away.