A good book should leave you slightly exhausted at the end. You live several lives while reading it.
一本好书应该让你在读完时感到些许疲惫。在阅读时，你经历了多个生命。
Evolutionary psychology is not about what's unchangeable in human nature, but about what was adaptive in our ancestral environment.
Small changes can have big effects when they help people break out of the poverty trap.
有人居住的世界的界限是由人类知识的范围决定的。