国家是理性的行为者，他们总是会按照自己的利益行事。
States are rational actors, and they will always act in their own self-interest.
适应是心智最伟大的成就。
一年规划，没有比种植五谷更好的；十年规划，没有比种植树木更好的；终身规划，没有比培养人才更好的。
I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.
Decision making is the heart of administration, and the heart of decision making is art rather than science.