是以其财不足以待凶饥，振孤寡，故国贫而民难治也。
所以，国家的钱财不足以来应付饥荒，救济孤儿寡妇，这样，国家就贫困，百姓就难于治理。
Quality in materials reflects quality in character.
"To understand the future, one must first understand the past."
优化程序的最好方法是优化它。
"Sometimes, the most ordinary things could be made extraordinary, simply by doing them with the right people."
Coal isn't just a commodity; it's the foundation upon which modern civilization was built.