《资治通鉴·唐纪·唐纪五十六》
一般说来，眺望远处的人不必顾及近处，计虑大事的人不必知悉细事。倘若夸耀小小的胜利，顾惜小小的失败，首先就把自己搅乱了，哪里还有余暇去建立功劳呢！ 
夫视元者不顾近，虑大者不计细，若矜小胜，恤小败，先自挠矣，何暇立功乎！ 
Generally speaking, people who look far away do not need to consider the nearby, and people who plan major events do not need to know the details. If one boasts about small victories and cherishes small failures, one will be confused first of all, how can there be any leisure to establish merit?