今天很残酷，明天更残酷，后天很美好，但绝对大部分是死在明天晚上，所以每个人不要放弃今天。

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.

勇气是能站起来侃侃而谈。勇气也是能坐下来静静倾听。

People tend to value things more highly when they own them.

孔子说：“我想不说话。”子贡说：“您如果不说话，谁教我们呢？”孔子说：“天说过什么？天不说话，照样四季运行，百物生长，天说过什么？”