《北史·列传·卷三十五》
这个瞎眼的掌管国家军事机密以来，完全不跟我们说话，只恐怕要耽误了国家大事。 
盲人掌机密来，全不共我辈语，止恐误他国家事。 
Since this blind man took charge of the nation’s military secrets, he has not spoken to us at all, which I am afraid may cause delays in important state affairs.