For Isaac's protection he had a blue Turkish evil eye and a painted tin hand of Fatima hanging from the bedpost; a candle was always lit on his chest of drawers, next to Hebrew and Christian Bibles and a jar of holy water that one of the domestic staff had brought from the Shrine of Saint Jude.

I do not fear my vulnerability because I no longer confuse it with weakness.

You say you're a coward, but it takes courage to say good-bye to everything and cross a threshold without any idea where it leads.

I related my impressions of La Paz, its purple mountains, its hermetic Indians, and its air, so thin that your lungs are always on the verge of filling with foam and your mind with hallucinations.

We were working under very harsh conditions on 'Zero Kelvin.' We were up there in the Arctic, closer to the North Pole than to a hospital. Sometimes you had to sleep in small Arctic tents with guns to protect yourself from polar bears and stuff.

It's when you begin to think about going to your dream that your dream is always outside of your comfort zone. It's always beyond what you've ever done.

We must act in spite of fear ... not because of it.

The courage of life is often a less dramatic spectacle than the courage of a final moment, but it is no less a magnificent mixture of triumph and tragedy. A man does what he must- in spite of personal consequences, in spite of obstacles and dangers and pressures-and that is the basis of all morality.

One man with courage makes a majority.

Courage is the right disposition toward fear.

It is easy - terribly easy - to shake a man's faith in himself. To take advantage of that, to break a man's spirit is devil's work.

The unknown is what it is. And to be frightened of it is what sends everybody scurrying around chasing dreams, illusions, wars, peace, love, hate, all that.... Accept that it's unknown, and it's plain sailing.