你乐于挥霍的时间，不算浪费。
经济学最终是为了改善人类福祉。
我相信任何人的生命都值得被叙述，甚至值得文学的照亮。
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.
成本不是为了计算而存在的，而是为了被降低而存在的。
The health of our oceans is the health of our future.