Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.
未来属于那些理解用更少做更多是富有同情心、繁荣和持久的人。
Security is always excessive until it's not enough.
最大的回报是看到人们喜欢我创造的东西。
"We do not write because we want to; we write because we have to."
Whenever a man does a thoroughly stupid thing, it is always from the noblest of motives.