Ambiguity and paradox are the essential "foods" of a leader’s daily diet. And because we live at a time when we know more than at any previous time about how the human brain and biology work, we know that experiencing ambiguity is a toxic poison to how the human system operates. In a very literal sense, our complex world is killing us if we don’t have the tools to lead ourselves and others which build capability and resilience. It's time for a revolutionary frame.