Screw-ups are the mark of excellence.

Progress is mostly the product of rogues.

Mastery is great, but even that is not enough. You have to be able to change course without a bead of sweat, or remorse.

The difference between great and average is, mostly, having the imagination and zeal to re-create yourself daily.

Steve Jobs is perhaps the most competitive human being I have ever met in my life, and yet I would argue one of the most artistic human beings I have ever met in my life. You can trash the movies all you want, but they do have an artistic component. And yet brutal competition knows no peers when it comes to Hollywood.

Celebrate what you want to see more of.

In the great city of San Francisco, where I used to live, at 2 in the morning every other Victorian house has somebody who is writing the great American novel. And the city is not loaded with James Joyces or Virginia Woolfs. But entrepreneurship is about distorted views of reality.