All that glitters is not gold.

金玉其外，败絮其中；花木瓜空好看。

All is not gold that glitters.

不是所有闪光的都是金子。

You can’t judge a book by its cover.

你无法根据一本书的封面判断其内容。

Appearances are deceptive.

外表是虚伪的。

Fire proves gold, adversity proves men.

真金不怕火；多难兴邦，殷优启圣。

As the touchstone tries gold, so gold tries man.

试金石能试金，正如黄金能试人。

The fire proves gold, adversity brave men.

火试金，逆境试勇士。

Calamity is man’s true touchstone.

不幸是人的真正的试金石。