Irritation. Anger. That’s the source of serious innovation. Which must, of course, be coupled with spine- a willingness to take on the powers that be. And risk it all.
For the past 33 years, I have looked in the mirror every morning and asked myself: ‘If today were the last day of my life, would I want to do what I am about to do today?’ And whenever the answer has been ‘No’ for too many days in a row, I know I need to change something.