But we now know that hunter-gatherers like the Ju/’hoansi did not live constantly on the edge of starvation. Rather, they were usually well nourished; lived longer than people in most farming societies; rarely worked more than fifteen hours a week; and spent the bulk of their time at rest and leisure. We also know that they could do this because they did not routinely store food, cared little for accumulating wealth or status, and worked almost exclusively to meet only their short-term material needs. Where the economic problem insists that we are all cursed to live in the purgatory between our infinite desires and limited means, hunter-gatherers had few material desires, which could be satisfied with a few hours of effort. Their economic life was organized around the presumption of abundance rather than a preoccupation with scarcity. And this being so, there is good reason to believe that because our ancestors hunted and gathered for well over 95 percent of Homo sapiens’ 300,000-year-old history, the assumptions about human nature in the problem of scarcity and our attitudes to work have their roots in farming.

In the summer of 1957, James Woodburn scrambled up the Serengeti Plateau to reach the shores of Lake Eyasi, where he became the first social anthropologist to develop a long-term relationship with the Hadzabe. In the 1960s, he was also was one of the most influential among the cohort of young anthropologists who spearheaded the resurgence in hunter-gatherer studies. And just like Richard Lee, he was struck by how little effort it took for the bow-hunting Hadzabe to feed themselves. In the early 1960s, he described the Hadzabe as irrepressible small-stakes gamblers who were far more preoccupied with winning and losing arrows from one another in games of chance than with wondering about where their next meal would come from. He also noted that, like the Ju/’hoansi, they met nutritional needs easily, “without much effort, much forethought, much equipment or much organization.

As farming societies grew more productive and captured more energy from their environments, energy appeared to be scarcer and people had to work harder to meet their basic needs. This was because, up until the Industrial Revolution, any gains in productivity farming peoples generated as a result of working harder, adopting new technologies, techniques, or crops, or acquiring new land were always soon gobbled up by populations that quickly grew to numbers that could not be sustained. As a result, while agricultural societies continued to expand, prosperity was usually only ever fleeting, and scarcity evolved from an occasional inconvenience that foragers stoically endured every once in a while to a near perennial problem. In many respects, the hundreds of generations of farmers who lived before the fossil-fuel revolution paid for our extended lifespans and expanded waistlines now by enduring lives that were mostly shorter, bleaker, and harder than ours, and almost certainly tougher than those of their foraging ancestors.

To foragers, change was immanent in the environment—it happened all the time, when the wind blew, the rain fell, or an elephant cleared a new path. But change was always constrained by a deeper sense of confidence in the continuity and predictability of the world around them. Every season was different from those that preceded it, yet these differences always fell within a range of predictable changes. Thus for the Ju/’hoansi, when they were still free to forage as their ancestors had, carrying the weight of history was as inconvenient as carrying a house around, and abandoning the deep past freed them to engage with the world around them unencumbered by ancient precedents or future ambitions.

Foragers like the Ju/’hoansi remind us that we are as capable of ordering ourselves into fiercely egalitarian societies as we are of ordering ourselves into rigid hierarchies. As a result, many historians have argued that even if inequality is not a brute fact of human nature, then along with zoonotic diseases, despotism, and war, it was probably a direct and immediate consequence of our embrace of agriculture. They reason that as soon as people had big surpluses to hoard, exchange, or distribute, the more miserable angels of our nature took over.