This is great. As I worked towards mastery of my role as CEO, I finding that mental models are the key to that growth. I want to be a versatile CEO who can navigate different domains and be successful. Polymath and mental models seems to be the key. Thanks so much for sharing. Btw, Anti-fragility is an awesome concept. I spent last summer writing about ways to build teams and company that go beyond resilient. I love that you incorporate it here. And, finally nice long-form format on this article using history, example and charts. LOVE IT! Thank you!!