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。

A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.

当它消逝时，你才会明白爱情曾是一份多么珍贵的礼物。你将会如此痛苦。所以，回去吧，为了挽留它而去奋斗。