Report, if you have a problem with this page“ Washburn has reported that infant baboons and other young primates appear to be born with only three inborn fears -of falling, snakes, and the dark-corresponding respectively to the dangers posed byNewtonian gravitation to tree-dwellers, by our ancient enemies the reptiles, and by mammalian nocturnal predators, which must have been particularly terrifying for the visually oriented primates. ”
Carl Sagan
From : Dragons of Eden: Speculations on the Evolution of Human Intelligence