Now, according to quantum mechanics under the standard interpretation, that's all there is to say about it. You have an atom like that, 80 percent chance in the next 24 hours it will break down.

按照量子力学的正统理论,也就是说,在未来二十四小时内,这个原子有百分之八十的概率会分裂

耶鲁公开课 - 死亡课程节选