If you want to understand the entrepreneur, study the juvenile delinquent. The delinquent is saying with his actions, ‘This sucks, I’m going to do my own thing.’

The more you know, the less you need.

The whole purpose of climbing something like Everest is to effect some sort of spiritual and physical gain. But if you compromise the process you’re an asshole when you start out and an asshole when you get back.

Mastery... is to work toward simplicity; replace complex technology with knowledge, hard work, and skill.

I've accepted the fact that there's a beginning and end to everything. All species are born, evolve, and then die off. We're going through the 6th great extinction and the large mammals are going first and, you know what - we're large mammals!

There's no difference between a pessimist who says, "Oh it's hopeless, so don't bother doing anything." and an optimist who says, "Don't bother doing anything, it's going to turn out fine anyways. Either way, nothing happens."

The solution may be for a lot of the world's problems is to turn around and take a forward step. You can't just keep trying to make a flawed system work.