The role of inequity in society is grossly underestimated. Inequity is not good for your health, basically.

This book [...] demonstrates something we had already suspected on the grounds of the close connection between apes and man: that the social organization of chimpanzees is almost too human to be true.

You should know as much as you can about the human species if you have a hand in designing human society.

If there is any form of contagion that is adaptive, it is the immediate response to the fear of others. If others are fearful, there may be good reason for you to be fearful too.

If one bird foraging in a flock on the ground suddenly takes off, all other birds will take off immediately after, before they even know what's going on. The one who stays behind may be prey.

Religion may have become a codification of morality, and it may fortify it, but it's not the origin of it.