all that glitters is not gold
闪光的不一定都是金子
书面语·提醒勿以貌取人
英文释义
to be cautious of appearances, as things may not be as good as they seem
例句
The fancy car looked amazing, but it broke down often—all that glitters is not gold.
典故来源
源自莎士比亚《威尼斯商人》中的台词，告诫人们不要被外表迷惑，内在价值更重要。