But human nature was also shaped as groups competed with other groups.

moral reasoning was often a servant of moral emotions,

intrinsically moralistic, critical, and judgmental.

Most societies have chosen the sociocentric answer, placing the needs of groups and institutions first, and subordinating the needs of individuals. In contrast, the individualistic answer places individuals at the center and makes society a servant of the individual.

collapse of cooperation across party lines.

human beings are 90 percent chimp and 10 percent bee.

the most cohesive and cooperative groups generally beat the groups of selfish individualists.

morality is the key to understanding humanity.

that altruism is mostly aimed at members of our own groups.