Very long ago our ancestors had moral systems. Our current institutions are only a couple of thousand years old which is really not old in the eyes of a biologist Frans de Waal

Very long ago our ancestors had moral systems. Our current institutions are only a couple of thousand years old which is really not old in the eyes of a biologist Frans de Waal
Very long ago our ancestors had moral systems. Our current institutions are only a couple of thousand years old which is really not old in the eyes of a biologist Frans de Waal

Very long ago our ancestors had moral systems. Our current institutions are only a couple of thousand years old which is really not old in the eyes of a biologist Frans de Waal

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