What is new in quantum mechanics is not the occurrence of statistical laws, but the suggestion that they are ultimate, instead of being derived from laws governing individual occurrences. This is a very difficult conception - more difficult, I think, than its supporters realize. ... if the single atom is lawless, why should there be this regularity as regards large numbers?
> Source: Religion and Science, 1935, chapt. 6:
Source: Religion and Science, 1935, chapt. 6
More info.: https://russell-j.com/beginner/RS1935_06-110.HTM