such as Schrö dinger and, most prominently, Albert Einstein. Einstein famously refused to believe that God would resort to playing dice or rather to playing with nature in the way quantum mechanics appeared to suggest, which is indeed quite different from playing dice. According to his later (sometime around 1953) remark, a lesser known or commented upon but arguably more important one: ¿¿That the Lord should play [dice], all right; but that He should gamble according to definite rules [i. e. , according to the rules of quantum mechanics, rather than 2 by merely throwing dice], that is beyond me. ¿¿ Although Einstein¿s invocation of God is taken literally sometimes, he was not talking about God but about the way nature works. Bohr¿s reply on an earlier occasion to Einstein¿s question 1 Cf.