作品是一种挖掘。

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.

解决复杂问题的关键是提出正确的因果问题。

The only thing that separates us from the animals is our ability to accessorize.