【释义】：早晨能发现昨夜的错误，今日能悔改昨日的过失。  

宇宙的初始条件是一个深刻的谜，膨胀为宇宙为何看起来如此提供了一个可能的解释。

史记

世界是一个舞台，我们只是演员。

真相并不总是美丽的，美丽的话语也不总是真相。

煤炭使美国在世界范围内保持竞争力。

美联储目前没有预测会出现经济衰退。

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.