Common sense is no match for the voice of God.

Early on a difficult climb, especially a solo climb, you’re hyper-aware of the abyss pulling at your back, constantly feeling its call, its immense hunger. To resist takes tremendous conscious effort, you don’t dare let your guard down for an instant. The void puts you on edge, makes your movements tentative and clumsy. But as the climb continues, you grow accustomed to the exposure, you get used to rubbing shoulders with doom, you come to believe in the reliability of your hands and feet and head. You learn to trust your self-control.

Children can be harsh judges when it comes to their parents, disinclined to grant clemency.

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.

At that stage of my youth, death remained as abstract a concept as non-Euclidean geometry or marriage. I didn't yet appreciate its terrible finality or the havoc it could wreak on those who'd entrusted the deceased with their hearts.

The sad end he met in Afghanistan was more accurately a function of his stubborn idealism - his insistence on trying to do the right thing. In which case it wasn't a tragic flaw that brought Tillman down, but a tragic virtue.

Achieving the summit of a mountain was tangible, immutable, concrete. The incumbent hazards lent the activity a seriousness of purpose that was sorely missing from the rest of my life. I thrilled in the fresh perspective that came from the tipping the ordinary plane of existence on end.