The most expensive thing in the world is trust. It can take years to earn and just a matter of seconds to lose.
All artists are slightly narcissistic.
The essence of finance is to serve the real economy. Finance detached from the real economy is like water without a source or a tree without roots.
置信区间理论提供了一种不同于点估计和假设检验的估计未知参数的方法。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.