If there's enough redundancy in the brain so that even if your right hemisphere got destroyed, your left hemisphere,you still have all the same memories,desires,beliefs.Good enough.

如果大脑拥有足够冗余,导致即便右脑被破坏掉，左脑依然拥有，所有的记忆，欲望和信仰，这就够了。

耶鲁公开课 - 死亡课程节选

So think through what this change might break.

所以好好想想这个改变会导致什么破坏。

麻省理工公开课 - 计算机科学及编程导论课程节选