谁的快乐最廉价，谁就是最富有的人。
A man is rich in proportion to the number of things which he can afford to let alone. That man is the richest whose pleasures are the cheapest.
True success comes from adding value to others, not just to yourself.
不要害怕失败，失败是成功的必经之路。
要快乐，我必须拥有我的书和一片天空。
