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.

你画的每一条线都有后果——空间的、结构的、社会的。

理论物理学不仅仅是解决问题，更是要找到正确的问题去解决。

每一条帖子背后都是一个有真实感受的真实的人——我们不要忘记这一点。