《新唐书·列传·卷十四》
起初在隋朝将领来护儿帐下听差。他母亲去世，来护儿派专人送丧服吊唁，吏属不解地说： 士卒有丧事，将军您从不馈赠，如今为何独去叔宝家慰问？ 
始为隋将来护儿帐内，母丧，护儿遣使襚吊之。吏怪曰： 士卒死丧，将军未有所问，今独吊叔宝何也？ 
He originally served as an orderly under the Sui Dynasty general Lai Huer. When his mother passed away, Lai Huer sent a special envoy to offer condolences and mourning clothes. The staff did not understand and said: "When a soldier has a funeral, you, General, never give gifts. Why is it that you have now gone to pay your respects to the family of Shubo alone?"