<<此事难知>>目录
为见诸经中.无过与不及之病而有病.
八十难曰.有见如入.谓左手见气来至乃纳针.针入见气尽www.lindalemus.com/jianyan/乃出针.非用迎随补泻之www.lindalemus.com/shiti/法不虚不实.不虚谓真气未虚.不实谓邪气未实.以此故自取其经施其法也.