听到了却没有亲眼见到，即使听得再多，也必有谬误；亲眼见到了却不能理解，即使记得再多，也必有错误；知道了却不去实际践行，就是知识再多，也必然困惑。

量子力学让我们能够做到经典物理学中不可能的事情。

I think it's merely the randomness of the winning and losing process that I want to stress, because the emphasis nowadays is so much on the justice of everything, and politicians always talk about justice. Now I'm a firm believer in justice, I just think that it's impossible. So we should do everything we can to pursue it, but we should always remember that whoever is facing us, whatever has happened in their lives, there will be a strong element of the haphazard. That's what I'm trying to leave room for; otherwise, it can get quite claustrophobic.