Over the piano was printed a notice: Please do not shoot the pianist. He is doing his best.
True wisdom is in knowing one's own ignorance.
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。
You'll never be able to please everybody, so you might as well be yourself.