If ease of use was the only requirement, everyone would still be riding tricycles.

The beauty of music is that it speaks to everyone, regardless of language or culture.

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.

秩序：物归其位，事有定期。