把这一句，留给此刻的你
Whichever theory we adopt to give a rational explanation of human existence, that theory must take into account and explain the mental nature we see at work in all modern communities.
无论我们采用何种理论来对人类的存在作出理性的解释，该理论都必须考虑并解释我们在所有现代社会中所看到的精神本质。