The book that I gift most to people, because it has had a lasting impact on my psyche, is The Warrior Within: The Philosophies of Bruce Lee. I admire Bruce Lee for his physicality, of course, but more so for his deep philosophy, known as “Jeet Kune Do” or “the way of the intercepting fist.” The key element of Jeet Kune Do is its “formless form.” Bruce Lee rejected the rigid rules and structures of Kung Fu and other traditional fighting styles. Instead, he borrowed from several styles to create his own fluid, rapidly efficient technique that was all his. In The Warrior Within, John Little explains how Bruce Lee’s philosophy helped him overcome tremendous challenges and pain to become a man whose originality, intense belief, and commitment I’ve long admired.

And this is where, a couple of years before I had become CEO, I had read this book by Carol Dweck out of Stanford [University] called “Mindset,” which was more in relation to my kids. And the simple concept in that book, which I loved a lot, was it's better to be a learn-it-all even if the know-it-all has more innate capability, because the learn-it-all ultimately will do better. And I said, well, that applies to CEOs. That applies to companies made up of people. And I said: What if we introduce that as the meme to have the cultural dialogue at Microsoft?

I’m a big fan of Jim Gilligan’s book Violence . It’s not an easy read.

Well, a book that has influenced my life and one that I keep going back to over and over is the anthology, The Voice That is