据费尔巴哈的论述,人的本质是有别于动物的各种属性的总和,具体地说,人所共有的本质包括三个层次:人的自然本质、人的社会本质、人的精神本质,三者有联系而有区别地构成了人的完整本质。关于人的自然本质,费尔巴哈明确指出,人是自然的产物,人呼吸的是空气,喝的是水,吃的食物来 According to Feuerbach’s argument, the essence of man is different from the sum of the various attributes of animals. Specifically, man’s common essence includes three levels: the nature of man, the nature of human beings, the human spirit Essence, the three are linked but differentially constitute the integrity of human nature. With regard to the nature of man, Feuerbach made it clear that man is a product of nature, that man breathes air, drinks water, and eats food