Although the far territory of the extreme can exert an intoxicating pull on susceptible individuals of all bents, extremism seems to be especially prevalent among those inclined by temperament or upbringing toward religious pursuits. Faith is the very antithesis of reason, injudiciousness a crucial component of spiritual devotion. And when religious fanaticism supplants ratiocination, all bets are suddenly off.

Unlike most of life, what you do really matters. Your actions have real consequences. You have to pay attention and focus, and that's very satisfying. It forces you to pay great attention and you lose yourself in the task at hand. Without the risk, that wouldn't happen, so the risk is an essential part of climbing, and that's hard for some people to grasp. You can't justify the risk when things go wrong and people die. The greater the risk, the greater the reward in most aspects of life, and in climbing that's certainly true, too. It's very physical, you use your mind and your body.

You are wrong if you think Joy emanates only or principally from human relationships. God has placed it all around us. It is in everything and anything we might experience. We just have to have the courage to turn against our habitual lifestyle and engage in unconventional living.

Above the comforts of Base Camp, the expedition in fact became an almost Calvinistic undertaking. The ratio of misery to pleasure was greater by an order of magnitude than any mountain I'd been on; I quickly came to understand that climbing Everest was primarily about enduring pain. And in subjecting ourselves to week after week of toil, tedium and suffering, it struck me that most of us were probably seeking above all else, something like a state of grace.

The thing that is most beautiful about Antarctica for me is the light. It's like no other light on Earth, because the air is so free of impurities. You get drugged by it, like when you listen to one of your favorite songs. The light there is a mood-enhancing substance.

But perhaps the greatest attraction of Mormonism was the promise that each follower would be granted an extraordinarily intimate relationship with God. Joseph taught and encouraged his adherents to receive personal communiqués straight from the Lord. Divine revelation formed the bedrock of the religion.

Chris would use the spiritual aspect to try to motivate us. "He'd tell us to think about all the evil in the world, all the hatred, and imagine ourselves running against the forces of darkness, the evil wall that was trying to keep us from running our best. He believed that doing well was all mental, a simple matter of harnessing whatever energy was available.