By used books. They have the same words as the new ones. Also libraries.
如果你愿意,每小时都可以翻开新的一页。
Believe you can and you're halfway there.
The best decisions are made when you listen to both data and people.
生活就是当你忙于制定其他计划时发生的事情。
The road to hell is paved with works-in-progress.