《资治通鉴·唐纪·唐纪三十五》
安禄山从起兵反叛以来，视力逐渐下降，至此已看不清东西，又因为身上长了毒疮，性情更加暴躁，对左右的官员稍不如意，就用鞭子抽打，有时干脆杀掉。
安禄山自起兵以来，目渐昏，至是不复睹物；又病疽，性益躁暴，左右使令，小不如意，动加棰挞，或时杀之。
Since An Lushan started a rebellion, his eyesight degenerated gradually. By this time, he could not see things clearly and was even more irritable, because a poisonous sore grew on his body. He would whip his left and right officials for a little thing and sometimes even killed them.