Who is Zopa in The Peak by Roland Smith?

"You can never tell who the mountain will allow and who it will not." (119)

"No one climbs a mountain thinking there not coming back down."(180)

"For a climber, saying that you are stopping by Everest is like saying that you are stopping by to see God." (43)

"The only thing you'll find of the summit of Mount Everest is the divine view. The things that really matter lie far below." (246)

"Not "we." I miss you. I want you home. With those two sentences he had done more for me than josh had ever done, or could ever do."

"Paranoia feeds on thin air…" (138)