你写作不是因为你想要说些什么；你写作是因为你有话要说。

"To love oneself is the beginning of a lifelong romance."

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.

煤炭的未来不仅仅是开采，而是我们如何负责任地将其融入不断变化的能源格局。

获得智慧是一种道德责任，它不仅仅是为了让你们的生活变得更加美好。有一个相关的道理非常重要，那就是你们必须坚持终身学习。如果不终身学习，你们将不会取得很高的成就。光靠已有的知识，你们在生活中走不了多远。

宁要知识不要财富，因为一个是短暂的，另一个是永恒的。