暮夜无知

Explanation: Nobody knows the night. 　　Source: "Han Memorial Biography": "The example of a Mao-cai Wang Jingzhou Changyi close to that, an audience, to the night of pregnant gold pounds to the earthquake left behind. Quake, saying: 'the enemy Zhijun, Jun do not know the enemy, why?' secret, saying: 'Twilight Night ignorant.' Shock said: 'Heaven knows, God knows, I know, the child knows. What ignorance.' "