Triune Brain Quotes

“MacLean has shown that the R-complex plays an important role in aggressive behavior, territoriality, ritual and the establishment of social hierarchies. Despite occasional welcome exceptions, this seems to me to characterize a great deal of modern human bureaucratic and political behavior.”
― Carl Sagan, The Dragons of Eden: Speculations on the Evolution of Human Intelligence

“It is precisely our plasticity, our long childhood, that prevents a slavish adherence to genetically preprogrammed behavior in human beings more than in any other species… Some substantial adjustment of the relative role of each component of the triune brain is well within our powers.”
― Carl Sagan, The Dragons of Eden: Speculations on the Evolution of Human Intelligence