“It is a feeling common to all mankind that they cannot bear to see others suffer…. This feeling of distress (at the suffering of others) is the first sign of Humanity.”— Mencius (as cited in Kohn, 1990, p. 63) Many writers share Mencius ’ perspective, believing human beings are intrinsically motivated to help when they become aware of other people’s sufferings. Of course, there are also many who deny the reality of altruism, believing people consistently act in selfish ways due to a nebulously defined concept of “human nature, ” a notion defined by theories regarding the evolutionary advantages associated with self-centeredness (why would natural selection select for creatures who are self-sacrificing, especially if their act of sacrifice ...