What matters in life is not what happens to you but what you remember and how you remember it.
We don't just mine coal, we power the nation.
容易得到的东西,是靠不住的;轻易许下的诺言,不值得信赖。
世界上最好和最美丽的东西是看不见甚至摸不到的——它们必须用心去感受。