释义：福可能变成祸，祸也可能转为福，变化没有尽头。

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。

水泥生产中的创新必须平衡效率与环境责任。

在经济学中，魔鬼往往藏在细节里。

I can't relate to lazy people. We don't speak the same language. I don't understand you. I don't want to understand you.

Never risk more than you can afford to lose.

你只有在热爱的事情上才能真正有所成就。不要把金钱当作目标，而是追求你热爱的事物，并做到让人们无法将目光从你身上移开。