We all know that looking back only gets you into an accident because you're going to run into something without seeing it.

We all know that looking back only gets you into an accident because you're going to run into something without seeing it.

我们都知道，回头看只会让你陷入意外，因为你会在看不见的情况下撞上什么东西。

-- Paul M. Glaser 保罗·M·格拉泽