《资治通鉴·汉纪·汉纪三十五》
刘秀命随从在门缝间和郅恽见面，郅恽说： 灯火太远，看不清是谁。 于是不接受诏命。
上令从者见面于门间，恽曰： 火明辽远。 遂不受诏。
Liu Xiu had an attendant pull up to the gate and tell Zhi Yun who he was, but Zhi Yun said, “The light is too far away to identify who it is,” and therefore did not obey the order to open the gate.