《资治通鉴·唐纪·唐纪一》
既然没有了来自西边东都方向的后顾之忧，李密便将全部精锐兵力向东攻击宇文化及。
既无西虑，悉以精兵东击化及。
Now that there was no longer cause for apprehension at the rear in the Eastern Capital in the west, Li Mi concentrated all his elite forces on attacking Yuwen Huaji in the east.