All the effects of Nature are only the mathematical consequences of a small number of immutable laws.
The stock market is filled with individuals who know the price of everything, but the value of nothing.
一个好计划的最大敌人是梦想一个完美的计划。坚持好的计划。
幸福是通过美德获得的,是人自己意愿获得的善。
The future competition is the competition of data.