《汉书·志·艺文志》
兵技巧家，主张练习手足的灵活，使用器械则得心应手，熟用弓弩，以求攻守之胜。
技巧者，习手足，便器械，积机关，以立攻守之胜者也。
Military practitioners focused on practicing hand and foot flexibility to use tools or weapons with ease, and were proficient in archery and crossbows, in order to claim victory in battle.