《新唐书·本纪·卷二·太宗》
军队行至崞县，突厥侦察兵见隋军不断开来，果然飞马报告始毕可汗说： 隋军救兵大批到了！ 
军至崞县，突厥候骑见其军来不绝，果驰告始毕可汗曰： 救兵大至矣！ 
The troops marched to Tian County, and the Turkic scouts saw the Sui troops marching out continuously, so they rode their horses and reported it to Shibi Khan quickly, and said: The Sui troops have a lot of reinforcements!