卧室里的哲学家与夜总会里的哲学家一样荒谬滑稽。
The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.
真相很少纯粹,也绝不简单。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.