应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。

It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be intelligent.

The United States has no permanent enemies, no permanent friends, only permanent interests.

幸福来自内心，而不是物质的东西。