Sandy interrupted me. ‘People feel light-headed on mountains because the solid world dematerialises. We are not the dimensional objects we believe ourselves to be.’ ‘Are you a Buddhist?’ Sandy shook his head impatiently. I was failing him, I could tell. He tried again, looking directly at me. Those eyes . . . ‘When I am climbing I understand that gravity exists to protect us from our lightness of being, in the same way that time is what shields us from eternity.’
