The secret of change is to focus all of your energy not on fighting the old, but on building the new.
改变的秘诀是将你所有的精力集中在建设新事物上，而不是与旧事物斗争。
Insofar as a thing is in harmony with our nature， it is necessarily good.
Coal isn't just a commodity; it's the foundation upon which modern civilization was built.
People tend to value things more highly when they own them.