When you're looking back, you can't look forward. And sometimes you run smack into something and hit your head.

When you're looking back, you can't look forward. And sometimes you run smack into something and hit your head.

当你回首往事时，你无法向前看。有时你会撞到什么东西，撞到你的头。

-- Jennifer Niven 珍妮弗·尼文