translation.en: So that when Louis Leakey, my mentor, heard this news, he said, "Ah, we must now redefine 'man,' redefine 'tool,' or accept chimpanzees as humans."
translation.zh: 所以，当我的导师路易斯·李基听到这个消息， 他说：“噢，我们需要重新定义人和工具了, 不然就得承认黑猩猩也属于人类。”