永远不要停止学习;世界总是在变化。
Never stop learning; the world is always changing.
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.
家庭是第一所学校,母亲是第一位老师。