成功的衡量标准不仅仅是产量，还有改善的生活。

The farmer is the only man in our economy who buys everything at retail, sells everything at wholesale, and pays the freight both ways.

成功投资的关键是有耐心等待合适的机会。

The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.

要解决问题，你必须愿意以不同的方式思考。