以物易物、互通有无的倾向是人类共有的,也是其他动物所没有的。
Every time we teach a child something, we keep him from inventing it himself.
金银像其他商品一样具有内在价值,这不是任意的,而是取决于它们的稀缺性、获取它们所耗费的劳动量以及生产它们的矿山所投入的资本价值。
The stock market is a voting machine in the short term and a weighing machine in the long term.
I've probably earned the right to screw up a few times. I don't want the fear of failure to stop me from doing what I really care about.