Don't put off for tomorrow what you can do today because if you enjoy it today, you can do it again tomorrow.

Animals form an inalienable fragment of nature, and if we hasten the disappearance of even one species, we diminish our world and our place in it.

I thought that perhaps the most creative mix for a society would be nine parts solid worker from institutions like MIT to one part poet from Marrakech, but in spite of the fact that I myself had been trained to be one of the solid workers, which meant that all of my sympathies lay with that group, I would not surrender the poet. The problem was to find him.

I was born to a woman I never knew and raised by another who took in orphans. I do not know my background, my lineage, my biological or cultural heritage. But when I meet someone new, I treat them with respect.... For after all, they could be my people.

The sense of belonging is one of the great gifts men get in battle.

The master in the art of living makes little distinction between his work and his play, his labor and his leisure, his mind and his body, his information and his recreation, his love and his religion. He hardly knows which is which. He simply pursues his vision of excellence at whatever he does, leaving others to decide whether he is working or playing. To him he's always doing both.

Not too many people work in a job where, waiting out there are three or four hundred people who are paid to tear apart what you've done. And often they are brighter than you are, or they know more about the subject than you do, or they wish they had written a book themselves, or done a lot better. Or they just don't like it! And you have to live with it.