The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

今天的挑战就是明天的机遇——前提是我们以正确的心态面对它们。

【释义】与人相处的忌讳，莫过于总喜欢充当别人的老师。