“all that glitters is not gold”：闪光的未必都是金子（谚语）
“all that glitters is not gold”：发光的并不都是金子; 人不可貌相; 发光的并非都是金子
例句：
Finally, all that glitters is not gold.
总而言之，并非闪光的都是金子。
Knave: A young man or woman brings new ideas that seem brilliant; but all that glitters is not gold. It's best to take time to evaluate.
一个年轻男人或者女人提出新的似乎杰出的主意；但闪闪发光的未必是金。最后去拿的时候去估计。
Don't be taken in by his stories about all the famous people he knows. Remember that all is not gold that glitters.
他说他认识所有的知名人士，不要轻信他，记住：发光的不全是金子。
They say that not all that glitters is gold.
有人说并非所有发光的都是金子。