你越深入数学，就越意识到还有多少未知。
We are all faced with a series of great opportunities brilliantly disguised as impossible situations.
你能做的最好的投资就是投资自己。
Cloud computing is not a technology, but a service model.
你无法改变已经发生的事，所以专注于当下吧。
The dog is called Sandy. I like Sandy. He is not clever but he is very cheerful.