Superlinear returns are a feature of the world rather than an artifact of capitalism, and the same pattern runs through fame, power, knowledge and benefit to humanity.

ambition How much to take on and how hard to push: superlinear returns to effort, focus, slack time, and procrastination.

war Armed conflict and preparing for it: military spending, alliances, and what changes when machines are in the loop.

capitalism Markets as a system rather than a market: what it is for, what it costs, and what people mean when they say they are retiring from it.