There are apparently two hypotheses about jealousy: that it is a product of civilization and that it is a basic instinct of animals

There are apparently two hypotheses about jealousy: that it is a product of civilization and that it is a basic instinct of animals

There are apparently two hypotheses about jealousy: that it is a product of civilization and that it is a basic instinct of animals (Kōbō Abe, The Face of Another)