問(wèn)答題周秦越人撰元滑壽注越人即扁鵲事跡具史記本傳壽字伯仁明史方技傳稱為許州人寄居鄞縣按朱右攖寧生傳曰世為許州襄城大家元初祖父官江南自許徙儀真而壽生焉又曰在淮南曰滑壽在吳曰伯仁氏在鄞越曰攖寧生然則許乃祖貫鄞乃寄居實(shí)則儀真人也壽卒于明洪武中故明史列之方技傳然戴良九靈山房集有懷滑攖寧生詩(shī)曰海日蒼涼兩鬢絲異鄉(xiāng)飄泊已多時(shí)欲為散木留官道故托長(zhǎng)桑說(shuō)上池蜀客著書人豈識(shí)韓公賣藥世偏知道途同是傷心者只合相從賦黍離則壽亦抱節(jié)之遺老托于醫(yī)以自晦者也是書有張翥序稱壽家去東垣近早傳李杲之學(xué)攖寧生傳則稱學(xué)醫(yī)于京口王居中學(xué)針?lè)ㄓ跂|平高洞陽(yáng)考李杲足跡未至江南與壽時(shí)代亦不相及翥所云云殆因許近東垣附會(huì)其說(shuō)歟難經(jīng)八十一篇漢藝文志不載隋唐志始載難經(jīng)二卷秦越人著吳太醫(yī)令呂廣嘗注之則其文當(dāng)出三國(guó)前廣書今不傳未審即此本否然唐張守節(jié)注史記扁鵲列傳所引難經(jīng)悉與今合則今書猶古本矣其曰難經(jīng)者謂經(jīng)之有難疑各設(shè)問(wèn)難以明之其中有此稱經(jīng)云而素問(wèn)靈樞無(wú)之者則今本內(nèi)經(jīng)傳寫脫簡(jiǎn)也其文辨析精微詞致簡(jiǎn)遠(yuǎn)讀者不能遽曉故歷代醫(yī)家多有注解壽所采摭凡十一家今惟壽書傳于世其書首列匯考一篇論書之名義源流次列闕誤總類一篇記脫文誤字又次圖說(shuō)一篇皆不入卷數(shù)其注則融會(huì)諸家之說(shuō)而以己意折衷之辨論精核考證亦極詳審攖寧生傳稱難經(jīng)本靈樞素問(wèn)之旨設(shè)難釋義其間榮衛(wèi)部位臟腑脈法與夫經(jīng)絡(luò)腧穴辨之博矣而闕誤或多愚將本其旨義注而讀之即此本也壽本儒者能通解古書文義故其所注視他家所得為多云（紀(jì)昀等《四庫(kù)全書總目提要·難經(jīng)本義》）《難經(jīng)》有什么學(xué)術(shù)價(jià)值和文獻(xiàn)價(jià)值？