大国政治的悲剧在于，即使是善意的国家也被迫采取可能导致冲突和战争的行为。
The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.
Sometimes you have to lose yourself before you can find anything.
A good book is a book that changes you.
If you want to fly, you have to give up the things that weigh you down.
求知若饥，虚心若愚。