我宁愿活得好像有上帝，死后发现没有，也不愿活得好像没有，死后发现有。
I would rather live my life as if there is a God and die to find out there isn't, than live as if there isn't and to die to find out there is.
The international system is inherently competitive, and states are constantly trying to outmaneuver each other.
战略是关于做出选择和权衡；是关于刻意选择与众不同。
成功建立在坚持之上，而非运气。
A proof tells us where to concentrate our doubts.