Murphy’s law

Murphy’s law ¹ is an adage or epigram that is typically stated as: “Anything that can go wrong will go wrong.” In some formulations, it is extended to “Anything that can go wrong will go wrong, and at the worst possible time.”

从数理统计的角度看²，假设某意外事件在一次实验（活动）中发生的概率 $p$（$p>0$），则在 $n$ 次实验（活动）中至少有一次发生的概率 $P$ 为

当 $n\rightarrow\infty$ 时，$P=1$。

Murphy’s law in Nolan’s Interstellar

Murphy: Why did you and Mom name me after something that’s bad?

Cooper: We didn’t … Murphy’s Law doesn’t mean that something bad will happen. What it means is whatever can happen will happen. And that sounded just fine with us. ³⁴

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