题目内容：

Never frown,even when you are sad because you never know who is falling in love with

优质解答

Never frown, even when you are sad, because you never know who is falling in love with your smile.
即便悲伤,也勿皱眉,因为你永远不知道谁会爱上你的笑容.
这是出自泰戈尔的诗,经常用来安慰人,很常见.