...seen from above, landscapes are made up of mountains and watercourses. Just as a transparent model of the human body consists of a framework of bone and a network of arteries, the earth's crust is structured in mountain ridges, river, creeks, and gullies.

I was in continual agony; I have never in my life been so tired as on the summit of Everest that day. I just sat and sat there, oblivious to everything.

In my state of spiritual abstraction, I no longer belong to myself and to my eyesight. I am nothing more than a single narrow gasping lung, floating over the mists and summits.

Bolts are the murder of the impossible.

I always take the same perspective with each new adventure. I put myself in the position of being at the end of my life looking back. Then I ask myself if what I am doing is important to me.

Those that reach their goals perish.

The wonderful things in life are the things you do, not the things you have.