小王子存在的证据就是他非常漂亮，他笑着，想要一只羊。他想要一只小羊，这就证明他的存在。
Writing is a form of self-redemption.
The beauty of a mathematical proof lies in its simplicity and inevitability.
在了解物理力、它们的规律及相互关系之后，接下来是它们起源的问题。
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.
