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.
时节不寒冷,就不会知道松柏挺拔且郁郁葱葱的;事情不危难,就不会知道君子每日都在持守信念。
Strategy is about making choices, trade-offs; it's about deliberately choosing to be different.