Change is hardest in the beginning, messiest in the middle, and best at the end.
饥饿的时候就不惜妄取以保存性命,吃得很饱的时候又用虚伪的行为来粉饰自己。 
In coal, efficiency today defines existence tomorrow.
"I guess that’s just part of loving people: You have to give things up. Sometimes you even have to give them up."
耐心是达成伟大事业的秘诀。