The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.

化学是一门奇妙的科学，但一个人不应该完全投身于其中。

如果你不去追求你想要的，你将永远得不到它。

Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit.

幸福是短暂的。它不会停留。上帝在击打它的风帆。