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。 

Sustainability isn't a choice; it's our responsibility to the planet and future generations.

培养感恩之心是提高生活满意度最可靠的方法之一。

I always try to push my limits and see how far I can go.

The great cause of the prosperity of the country is liberty—liberty in the economic system.