Two pieces of memory actually touching each other or you touching memory that you don't actually own, in which case the computer doesn't really know what to do and just, bam.

两块内存相互覆盖,或者你覆盖了不存在的内存，那样的话计算机不知道,该怎么做，只有崩溃。

哈佛公开课 - 计算机科学课程节选

I know that some felt the pace of the arguments was a little slow, but I felt that this was generally necessary, not only for the unphilosophy-savvy population, but also to cover all points."

我知道有人认为论证过程有点慢，但我感觉这样做总体上讲是有必要的，不只是为了不懂哲学的同学们，也是为了能覆盖所有推理内容“

耶鲁公开课 - 死亡课程节选