真相很少是纯粹的,也从来不简单。
"The truth is rarely pure and never simple."
你不必为了成功而不择手段,善良和正直会让你走得更远。
The best time to buy stocks is when they are out of favor.
Think wrongly, if you please, but in all cases, think for yourself.
我们需要一个保护其公民的欧洲,而不仅仅是一个单一市场。
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。