The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

学校必须与生活紧密相连，教育与劳动相结合。

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。

阅读和解释遗传密码的能力彻底改变了我们对医学和遗传学的方法。

计划你的工作，然后按计划行事。