世界会打碎每个人，之后，许多人在破碎的地方变得坚强。
"The world breaks everyone, and afterward, many are strong at the broken places."
"You can't go back and change the beginning, but you can start where you are and change the ending."
"Children's books should be as diverse as the children who read them."
States are rational actors that seek to maximize their power and security in an anarchic international system.
Whatever you're meant to do, do it now. The conditions are always impossible.
The world is always right. In its judgments, it is always right. Because it is the world.
最好的性能改进是从非工作状态到工作状态的转变。