Commerce, trade and exchange make other people more valuable alive than dead, and mean that people try to anticipate what the other guy needs and wants. It engages the mechanisms of reciprocal altruism, as the evolutionary biologists call it, as opposed to raw dominance.
Steven PinkerEvolutionary psychologists seem to want to unmask our noblest motives as ultimately self-interested - to show that our love for children, compassion for the unfortunate and sense of justice are just tactics in a Darwinian struggle to perpetuate our genes.
Steven PinkerEquity feminism is a moral doctrine about equal treatment that makes no commitments regarding open empirical issues in psychology or biology.
Steven Pinker