国际体系的无政府性质意味着国家必须依靠自助来确保其生存。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
Eight hours of training, pain is only the body, but if the loss, you pain is the heart.
Life is not worth living if it is not subject to reexamination.
"I’m not playing for the records. I’m just trying to enjoy my tennis."
所谓顿悟，说明真理是不可分割的
最好的投资是那些能够创造未来的人。
