translation.en: But we do have to worry about the theories we have of human nature, because human nature will be changed by the theories we have that are designed to explain and help us understand human beings.
translation.zh: 但关于人类本性的理论， 我们就要十分谨慎了， 因为那些原本用来揭示人性， 帮助我们理解人性的理论， 是会反过来改变人性的。