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.

According to the moral absolutism that characterizes McCandless's beliefs, a challenge in which a successful outcome is assured isn't a challenge at all.

Once you believe that God is speaking directly to you, there is no discussion.

Hours slide by like minutes. The accumulated clutter of day-to-day existence — the lapses of conscience, the unpaid bills, the bungled opportunities, the dust under the couch, the inescapable prison of your genes — all of it is temporarily forgotten, crowded from your thoughts by an overpowering clarity of purpose and by the seriousness of the task at hand.

And if I remain in the dark about our purpose here, and the meaning of eternity, I have nevertheless arrived at an understanding of a few more modest truths: Most of us fear death. Most of us yearn to comprehend how we got here, and why-- which is to say, most of us ache to know the love of our creator. And we will no doubt feel that ache, most of us, for as long as we happen to be alive.

Common sense is no match for the voice of God.

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.