释义：通过分析物品的过剩与短缺，就能判断其价值的高低。这句话揭示了市场供求关系对价格的影响。

"The past is a foreign country; they do things differently there."

Without commitment, you'll never start, but more importantly, without consistency, you'll never finish.

领导力不在于掌控，而在于关心你所负责的人。

沉默是最响亮的声音。