Individual versus group selection results in a mix of altruism and selfishness, of virtue and sin, among the members of a society. If one colony member devotes its life to service over marriage, the individual is of benefit to the society, even though it does not have personal offspring. A soldier going into battle will benefit his country, but he runs a higher risk of death than one who does not. An altruist benefits the group, but a layabout or coward who saves his own energy and reduces his bodily risk passes the resulting social cost to others.
E. O. WilsonThe paradox is that, by children taking shortcuts through computer games, through fantasies, through movies that load on all the emotional stimulation of encountering life in a stylized way - all of this is the equivalent of mainlining of paleolithic emotions, emotions about combat, about personal success, about overcoming monsters, about making powerful friendships, about winning wars and entering new territory.
E. O. WilsonIn fact, nothing in science as a whole has been more firmly established by interwoven factual information, or more illuminating than the universal occurrence of biological evolution. Further, few natural processes have been more convincingly explained than evolution by the theory of natural selection, or as it has been popularly called, Darwinism.
E. O. Wilson