成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事情，你就会成功。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
I think it's important to have a positive attitude and to be optimistic.
我们都有缺陷，那是光照进来的地方。
Some books are to be tasted， others to be swallowed， and some few to be chewed and digested.