Take long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.

Sustainability is not a cost - it's the biggest innovation opportunity of our lifetime.

I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be - and then to fight so hard for it every day that the lie becomes the truth.