all that glitters is not gold
閃光的不一定都是金子
書面語·提醒勿以貌取人
英文釋義
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.
典故來源
源自莎士比亞《威尼斯商人》中的臺詞，告誡人們不要被外表迷惑，內在價值更重要。