世界是一本伟大的书，那些从未离开家的人只读了一页。
The world is a great book, of which they that never stir from home read only a page.
追求数学知识是一段永无止境的旅程。
我的人生没有规则，只有音乐。
The writer’s joy is the thought that can become emotion, and the emotion that can wholly become a thought.