《旧唐书·列传·卷三十九》
武则天亲笔下诏 ：这次讲武练兵是因为长久太平，多历年载，人皆废战，均去学文。
手制答曰： 比为久属太平，多历年载，人皆废战，并悉学文。
Wu Zetian personally issued an edict: This military exercise was called because there had been long-term peace for many years, and people had neglected warfare and were studying literature instead.