成本不是为了计算而存在的,而是为了被降低而存在的。
When you do something best in the world, you can’t really improve on that.
自由市场体系的伟大美德在于它不在乎人们的肤色;不在乎他们的宗教信仰;只在乎他们是否能生产出你想买的东西。
A man must strive to do his best, and then accept the consequences with equanimity.