【水晶灯笼】〖shu jng dng lóng〗[be able to penetrate deeply into all things; as clear as a crystal lantern; a man with a clear head and sharp eyes; one capable of understanding things clearly]

水洁冰清冠硕博，

晶亮油光攻数科。

灯火辉煌青春燃，

笼山络野肥外国。

比喻遇事能明察是非的人。Metaphor is meet matter can insight right wrong people.