" Eventually a rule of thumb emerged: “If something supports our effort, as long as it is not immoral or illegal,” you could do it. Soon, I found that the question I most often asked my force was “What do you need?” We decentralized until it made us uncomfortable, and it was right there—on the brink of instability—that we found our sweet spot. "

― Stanley McChrystal , Team of Teams: New Rules of Engagement for a Complex World