"Sometimes the most important things in life are the ones we can't see or touch, but we can feel them in our hearts."

You know, I'm not always going to be around to help you...

——〈民权主义第五讲〉，1924年4月20日

短缺乃是一种符号，它意味着价格被人为地保持在低于供求双方可以自由行事时的水平。