translation.en: And the outcome about which we wish to be optimistic is not going to be created by the belief alone, except to the extent that the belief brings about new behavior. But the word "behavior" is also, I think, sometimes misunderstood in this context.
translation.zh: 所以，我们试图以乐观心境期待的结果 并非由信念本身就能创造出来， 除非这种信念， 能带来新的行为模式。但是“行为”这个词， 我想，在这个语境下也经常被误解。