The difference between theory and practice is that in theory, there is no difference between theory and practice, but in practice, there is.
理论和实践的区别在于，理论上，理论和实践没有区别，但在实践中，却有区别。
人的仁慈从未削弱自由者的毅力或软化他们。一个国家不必变得残酷就可以坚强。
There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.
煤炭的未来取决于经济增长与环境责任的平衡。
"Books are the maps of human experience."
The true measure of a leader is not how many followers they have, but how many leaders they create.
