Doing risk sport had taught me another important lesson: never exceed your limits. You push the envelope and you live for those moments when you’re right on the edge, but you don’t go over. You have to be true to yourself; you have to know your strengths and limitations and live within your means.
Yvon Chouinard, Let My People Go Surfing: The Education of a Reluctant Businessman
experimentation, on-the-edge, risk