If chimpanzees have consciousness, if they are capable of abstractions…

Carl Sagan
415 citations
If chimpanzees have consciousness, if they are capable of abstractions, do they not have what until now has been described as 'human rights'? How smart does a chimp have to be before killing him constitutes murder? ✨ Carl Sagan (2012). Dragons of Eden: Speculations on the Evolution of Human Intelligence, p.126, Ballantine Books
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