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.
我可以放弃所有真理，但不能放弃对真理的追寻。
我对生命变成死亡的那条界限感兴趣。
历史学家的首要职责是如实讲述他所见的真相，无论这会取悦还是触怒何人。