在适当的年龄读到的故事永远不会真正离开你。你可能会忘记是谁写的或者故事叫什么名字。有时你会忘记具体发生了什么，但如果一个故事触动了你，它就会留在你身边，萦绕在你脑海中那些你很少去的地方。
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.
学习古人但不拘泥于古人，效法古人但不抄袭古人。
数学不是一项观赏性运动。
"Deep learning is a powerful tool, but it's not a silver bullet."
曾子说：“我每天都要多次提醒自己：工作是否敬业？交友是否守信？知识是否用于实践？”
衡量一个文明的标准是它如何对待其最弱的成员。