数学家的直觉和严谨的证明同样重要。

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.

Music is supposed to inspire people to do something, to be better.

The key to successful investing is to have a strong understanding of the fundamentals, a disciplined approach, a clear understanding of the market, a long-term perspective, a clear understanding of the risks and rewards, and a strong understanding of the market psychology.