The least aggressive chimps are the most subordinate in their group. The exact opposite occurs in humans. The most violent adolescents in America are among the poorest and least powerful in their society because the causes of killing in apes and humans are different. Thus ethical decisions regarding the prevention and punishment of crime should not be based primarily on the scientific facts investigators gather on animals.

source: Jerome Kagan, An Argument for Mind, 167 tags: Science, Ethics