"All that glisters is not gold." — The Merchant of Venice ii, vii.

金玉其外，败絮其中。虚有其表。——《威尼斯商人》。

ALL that glisters is not gold, as the old saying rightly affirms-because at the moment, copper is shining too.

不是所有发光的都是金子。老话说的一点也没错。