During the sixties, all the risk-type sports were very popular, because everybody was rebelling against their parents, or rebelling against the whole system. But those days are over. This is the day of conservatism.

You can solo-climb Everest without using oxygen or you can pay guides and Sherpas to carry your loads, put ladders across crevasses, lay in 6,000 feet of fixed ropes, and have one Sherpa pulling you and another pushing you. ... The goal of climbing big, dangerous mountains should be to attain some sort of spiritual and personal growth, but this won't happen if you compromise away the entire process.

Nature doesn't like empires. It doesn't like accumulation in one place, it doesn't like monoculture. It's always trying to make diverse species. It wants to spread everything out. And we're constantly trying to hold everything in.

Going back to a simpler life based on living by sufficiency rather than excess is not a step backward.

Who are businesses really responsible to? Their customers? Shareholders? Employees? We would argue that it’s none of the above. Fundamentally, businesses are responsible to their resource base. Without a healthy environment there are no shareholders, no employees, no customers and no business.

The word adventure has gotten overused. For me, when everything goes wrong - that's when adventure starts

During the sixties, all the risk-type sports were very popular, because everybody was rebelling against their parents, or rebelling against the whole system. But those days are over. This is the day of conservatism.