自由贸易能够提高国家整体的生产效益。
Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.
"Freeing yourself was one thing, claiming ownership of that freed self was another."
创新是企业发展的永恒动力，没有创新就没有未来。
The only way to get rid of a temptation is to yield to it.
启发式研究揭示了我们如何简化复杂问题，有时会导致错误。