改变你的思想,你就能改变你的世界。
我不等待心情。如果你那样做,你将一事无成。你的头脑必须知道它必须开始工作。
"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."
Good policy requires both sound theory and empirical validation.