《旧唐书·列传·卷一百二十三》
即使皇宫内库财物有余，也望使用有法度，如果边疆报警告急，就能支用不会短缺。
纵内藏有余，亦乞用之有节，如边上警急，即支用无阙。
Even if the palace treasury is overflowing, I hope that you will use its contents wisely, so that it will not run dry should there be an urgent report from the borders.