关键在于政府支出的效果取决于经济状况。

当我们停止指责并开始解决问题时，进步就会发生。

People who learn to control inner experience will be able to determine the quality of their lives, which is as close as any of us can come to being happy.

对宋代文化的研究揭示了传统与创新之间的动态互动。

我不需要别人的认可。我知道自己的价值。