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自然规律是亘古不变的,不会因尧的仁德而存在,不会因桀的暴虐而消亡。
If history were taught in the form of stories, it would never be forgotten.
爱不是一种职业,它是一种状态。
Evolutionary psychology is not about what's unchangeable in human nature, but about what was adaptive in our ancestral environment.