生活是不公平的，习惯就好。
Life is not fair; get used to it.
The greatest discovery is that human beings can alter their lives by altering the attitudes of their minds.
We change our behavior when the pain of staying the same becomes greater than the pain of changing.
生活是世界上最罕见的事情。大多数人只是存在，仅此而已。
When we quarry with future generations in mind, stone becomes a bridge, not just a resource.