《智囊(选录)·语智部·魏征》
唐太宗问魏征： 贤卿看到了吗？ 魏征回答说： 臣年纪大了，老眼昏花，看不到。 
征熟视曰： 臣昏眊，不能见。 
Emperor Taizong asked Wei Zheng: “My wise minister, do you see that?” Wei Zheng replied: “This subject is old and my eyes are dim, I cannot see.”