S: Listen. This is my hard drive, and it only make sense to put things in there that are useful. Really useful.
听着 这是我的大脑（硬盘） 只会存放有用的东西 真正有用的东西
Ordinary people fill their heads with all kinds of rubbish. That makes it hard to get at the stuff that matters. Do you see?
普通人都是装了满脑子的垃圾 关键时刻脑子就不管用了 明白吗？！