I think the explanation is that you can't guarantee success without luck, but you can guarantee failure e.g. its random how long you'll live, but you can ensure

I think the explanation is that you can't guarantee success without luck, but you can guarantee failure e.g. its random how long you'll live, but you can ensure your death at any time. Its random whether your next business goes exponential, but you can walk away and it implodes at any time. Its random whether you stumble on the "big kill" and the tribe feasts, but you can guarantee failure by refusing the hunt.