When you are writing, you are trying to find out something which you do not know.
当你写作时,你试图发现一些你不知道的东西。
Happiness is not something that happens. It is not the result of good fortune or random chance. It is not something that money can buy or power command. It depends not on what happens outside of you, but on what happens inside of you.
统计推断的理论不是数学的一个分支,而是在不确定性下进行推理的科学。