Our understanding of what constitutes intelligence is utterly relative. If an aborigine drafted an I.Q. test, for example, all of Western civilization would probably flunk. We have a very convenient and self-serving way of defining intelligence. If an animal does something, we call it instinct. If we do the same thing for the same reason, we call it intelligence.

Diet for a New America (ed. H J Kramer, 2011) - ISBN: 9781932073416