The Big Gods Hypothesis

...without supernatural enforcement of cooperative, “moral” behavior, ancient Egypt—as well as nearly every other large-scale society in history—wouldn't have been able to get off the ground. All-knowing big gods are “crazily effective” at enforcing social norms, says Norenzayan's collaborator Edward Slingerland, a historian at UBC Vancouver. “Not only can they see you everywhere you are, but they can actually look inside your mind.” And once big gods and big societies existed...

 The Value of the Elderly

A challenge for society is to make use of those things that older people are better at doing. Some abilities, of course, decrease with age. Those include abilities at tasks requiring physical strength and stamina, ambition, and the power of novel reasoning in a circumscribed situation, such as figuring out the structure of DNA, best left to scientists under the age of 30. Conversely, valuable attributes that increase with age include experience, understanding of people and human relationship...