量子纠错不仅仅是一个理论概念；它是构建可扩展量子计算机的实际需求。

Out, out, brief candle! Life's but a walking shadow, a poor player That struts and frets his hour upon the stage And then is heard no more. It is a tale Told by an idiot, full of sound and fury, Signifying nothing, 

为什么一条狗，一匹马，一只耗子都有生命，而你却没有一丝的呼吸。