你必须完整才能快乐。
The severe morals of the early Romans produced a race of men who were neither superstitiously devout nor philosophically skeptical.
客户的声音应该永远是房间里最响亮的。
每种心理状态都有其存在的目的;要理解它,我们必须询问它在更广泛的行为系统中发挥什么功能。