成公興(姓成公,名興)的歷史資料,見(jian)于《魏書(shu)·藝術傳(chuan)(chuan)·殷紹傳(chuan)(chuan)》和《魏書(shu)·釋老志(zhi)》。《魏書(shu)》是二十四史之一(yi),北齊初年魏收撰(zhuan)。
《殷紹傳》稱:殷紹,長樂(le)人也(ye)。好陰陽術數,達九(jiu)(jiu)章(zhang)、七曜。世祖時(shi)為算生(sheng)博士,給事東(dong)宮西曹,以(yi)藝術為恭宗(zong)所(suo)(suo)知。太安四(si)年(nian)夏(xia),上《四(si)序(xu)堪輿(yu)》,表(biao)曰:“臣(chen)(chen)以(yi)姚氏之世,行學伊川,時(shi)遇游遁大儒成公興(xing)(xing),從求(qiu)《九(jiu)(jiu)章(zhang)要(yao)術》。興(xing)(xing)字(zi)廣明,自云膠東(dong)人也(ye)。興(xing)(xing)將臣(chen)(chen)南(nan)到陽翟(zhai)九(jiu)(jiu)崖巖沙(sha)門(men)釋曇(tan)影(ying)(ying)間(jian)。興(xing)(xing)即北還,臣(chen)(chen)獨留住,依(yi)止影(ying)(ying)所(suo)(suo),求(qiu)請(qing)《九(jiu)(jiu)章(zhang)》。影(ying)(ying)復將臣(chen)(chen)向長廣東(dong)山(shan)見道人法穆(mu)(mu)。法穆(mu)(mu)時(shi)共影(ying)(ying)為臣(chen)(chen)開述《九(jiu)(jiu)章(zhang)》數家雜要(yao),披釋章(zhang)次意況大旨……。練精銳思,蘊習四(si)年(nian),從穆(mu)(mu)所(suo)(suo)聞,粗皆仿佛。……以(yi)甲(jia)寅之年(nian),奉辭(ci)影(ying)(ying)等。自爾(er)至今(jin),四(si)十五(wu)載。歷(li)觀時(shi)俗堪輿(yu)八會,經(jing)世已久,傳寫謬誤。……今(jin)依(yi)先撰錄奏,謹以(yi)上聞。”其《四(si)序(xu)堪輿(yu)》,遂大行于(yu)世①。
按:此《藝術(shu)傳》的(de)(de)“藝術(shu)”,泛指術(shu)數、方伎和(he)各種技藝,如唐章懷太(tai)(tai)子(zi)李賢注《后漢(han)書》所(suo)說:“藝謂書、數、射、御,術(shu)謂醫、法(fa)、卜(bu)、筮(shi)。”殷紹是(shi)北(bei)魏(wei)初年(nian)的(de)(de)方術(shu)大家,受到(dao)北(bei)魏(wei)太(tai)(tai)武帝(di)(di)(di)(世(shi)祖)拓(tuo)跋(ba)燾及(ji)其太(tai)(tai)子(zi)拓(tuo)跋(ba)晃(未即帝(di)(di)(di)位先死(si),追(zhui)尊(zun)為恭宗(zong)景穆帝(di)(di)(di))的(de)(de)重用。文(wen)成帝(di)(di)(di)拓(tuo)跋(ba)浚(jun)太(tai)(tai)安四(si)(si)(si)年(nian)(公元458年(nian)),他在進呈《四(si)(si)(si)序堪輿》的(de)(de)表章中 ,鄭重地述說其師(shi)承關系,第一位恩師(shi)就是(shi)膠(jiao)(jiao)(jiao)(jiao)東(dong)(dong)人“游遁大儒”成公興(xing)。此“膠(jiao)(jiao)(jiao)(jiao)東(dong)(dong)”,指自(zi)東(dong)(dong)漢(han)章帝(di)(di)(di)建初元年(nian)(公元76年(nian))改(gai)郁秩縣(xian)為膠(jiao)(jiao)(jiao)(jiao)東(dong)(dong)侯國(guo),歷(li)魏(wei)晉(jin)十(shi)六國(guo),直到(dao)北(bei)魏(wei)獻文(wen)帝(di)(di)(di)皇興(xing)四(si)(si)(si)年(nian)(470年(nian)),存在了近四(si)(si)(si)百(bai)年(nian)之(zhi)久的(de)(de)“膠(jiao)(jiao)(jiao)(jiao)東(dong)(dong)縣(xian)”,其轄境是(shi)以(yi)今(jin)平度城為中心的(de)(de)地區(qu),面積約為今(jin)平度市的(de)(de)三分之(zhi)一。魏(wei)晉(jin)十(shi)六國(guo)和(he)北(bei)魏(wei)前期(qi)著名(ming)的(de)(de)“膠(jiao)(jiao)(jiao)(jiao)東(dong)(dong)城”也(ye)一直設在今(jin)平度城②。清道光二(er)十(shi)六年(nian)重修《平度州志》,就是(shi)據上引《魏(wei)書·殷紹傳》中文(wen)字(zi)而將成公興(xing)定為平度的(de)(de)歷(li)史名(ming)人的(de)(de)。
道(dao)光(guang)《平度州志》的編纂(zuan)者李圖(tu)先(xian)生(字(zi)少伯(bo),掖縣(xian)人(ren)),以學識淵博(bo)著稱(cheng),他還考證成(cheng)公(gong)興生當十六(liu)國時期,從而糾正《萊州府志》“北魏人(ren)”之誤。可(ke)是《平度州志》對于《魏書·釋老志》里記載成(cheng)公(gong)興事跡更多更詳的文字(zi)卻未采用。
《釋老(lao)志》稱(cheng):(寇謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi))服食(shi)餌藥(yao),歷(li)年(nian)無(wu)效。幽誠上(shang)達,有(you)仙(xian)人成(cheng)公興(xing)(xing)(xing),不(bu)(bu)(bu)知何許人,至謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)從(cong)母家傭賃(lin)。謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)常覲其姨,見(jian)(jian)興(xing)(xing)(xing)形貌甚強,力作不(bu)(bu)(bu)倦。請回賃(lin)興(xing)(xing)(xing)代己(ji)使役。……謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)樹(shu)下坐算(suan),興(xing)(xing)(xing)懇發致勤,時來(lai)看(kan)(kan)算(suan)。謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)謂曰(yue)(yue)(yue)(yue):“汝(ru)但力作,何為(wei)(wei)看(kan)(kan)此?”二三(san)日(ri)后,復來(lai)看(kan)(kan)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),如此不(bu)(bu)(bu)已(yi)。后謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)算(suan)“七曜”,有(you)所不(bu)(bu)(bu)了,惘然(ran)自(zi)(zi)失(shi)。興(xing)(xing)(xing)謂謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)曰(yue)(yue)(yue)(yue):“先(xian)生(sheng)何為(wei)(wei)不(bu)(bu)(bu)懌(yi)?”謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)曰(yue)(yue)(yue)(yue):“我學(xue)算(suan)累年(nian),而(er)近算(suan)《周髀》不(bu)(bu)(bu)合(he),以此自(zi)(zi)愧(kui)。且非汝(ru)所知,何勞問(wen)也(ye)!” 興(xing)(xing)(xing)曰(yue)(yue)(yue)(yue):“先(xian)生(sheng)試隨興(xing)(xing)(xing)語布之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)”。俄然(ran)便決。謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)嘆(tan)(tan)伏(fu),不(bu)(bu)(bu)測(ce)興(xing)(xing)(xing)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)淺深(shen),請師事(shi)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)。興(xing)(xing)(xing)固辭(ci)不(bu)(bu)(bu)肯,但求為(wei)(wei)謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)弟子。未幾,謂謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)曰(yue)(yue)(yue)(yue):“先(xian)生(sheng)有(you)意學(xue)道,豈能與興(xing)(xing)(xing)隱遁?”謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)欣然(ran)從(cong)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)。興(xing)(xing)(xing)乃(nai)令(ling)謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)潔齋三(san)日(ri),共入(ru)華山。令(ling)謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)居一(yi)石(shi)室,自(zi)(zi)出(chu)采(cai)藥(yao),還與謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)食(shi)藥(yao),不(bu)(bu)(bu)復饑。乃(nai)將謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)入(ru)嵩山。有(you)三(san)重石(shi)室,令(ling)謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)住第(di)二室。歷(li)年(nian),興(xing)(xing)(xing)謂謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)曰(yue)(yue)(yue)(yue):“興(xing)(xing)(xing)出(chu)后,當(dang)有(you)人將藥(yao)來(lai),得但食(shi)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi),莫為(wei)(wei)疑怪(guai)。”尋有(you)人將藥(yao)而(er)至,皆是(shi)毒蟲臭惡之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)物,謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)大(da)懼(ju)出(chu)走。興(xing)(xing)(xing)還問(wen)狀,謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)俱對,興(xing)(xing)(xing)嘆(tan)(tan)息曰(yue)(yue)(yue)(yue):“先(xian)生(sheng)未便得仙(xian),政可為(wei)(wei)帝(di)王師耳。”興(xing)(xing)(xing)事(shi)謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)七年(nian),而(er)謂之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)曰(yue)(yue)(yue)(yue):“興(xing)(xing)(xing)不(bu)(bu)(bu)得久留,明(ming)日(ri)中應(ying)去。興(xing)(xing)(xing)亡后,先(xian)生(sheng)幸為(wei)(wei)沐浴,自(zi)(zi)當(dang)有(you)人見(jian)(jian)迎”興(xing)(xing)(xing)乃(nai)入(ru)第(di)三(san)重室而(er)卒(zu)。謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)躬自(zi)(zi)沐浴。明(ming)日(ri)中,有(you)叩石(shi)室者,謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)出(chu)視,見(jian)(jian)兩童子,一(yi)持法服,一(yi)持缽(bo)及錫(xi)杖。謙(qian)(qian)(qian)(qian)之(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)引入(ru),至興(xing)(xing)(xing)尸所,興(xing)(xing)(xing)欻然(ran)而(er)起,著衣(yi)持缽(bo),執杖而(er)去③。
看(kan)來(lai),道光《平度州志》不(bu)(bu)取此《釋(shi)老(lao)志》之(zhi)(zhi)(zhi)文,當因修志者(zhe)(zhe)尊(zun)奉儒家正統觀念,排斥釋(shi)老(lao)之(zhi)(zhi)(zhi)學(xue)(xue),尤其(qi)此類(lei)神(shen)仙故事(shi)(shi)多(duo)涉虛(xu)幻,文中(zhong)(zhong)又(you)(you)說成公(gong)興“不(bu)(bu)知(zhi)何許(xu)人(ren)(ren)”,于(yu)(yu)是(shi)(shi)便(bian)被棄而(er)(er)不(bu)(bu)用了。其(qi)實(shi)(shi)(shi),魏(wei)晉人(ren)(ren)的(de)(de)神(shen)仙鬼(gui)(gui)怪觀念,是(shi)(shi)和(he)后世有(you)(you)別(bie)的(de)(de),誠(cheng)如魯(lu)迅先生論(lun)《六朝之(zhi)(zhi)(zhi)鬼(gui)(gui)神(shen)志怪書(shu)(shu)(shu)》所(suo)言:“中(zhong)(zhong)國本信(xin)巫,秦(qin)漢以(yi)來(lai),神(shen)仙之(zhi)(zhi)(zhi)說盛(sheng)行(xing),漢末又(you)(you)大暢巫風,而(er)(er)鬼(gui)(gui)道愈熾;會小乘佛教亦入中(zhong)(zhong)土,漸見流傳。凡(fan)此,皆(jie)張皇鬼(gui)(gui)神(shen),稱道靈(ling)異(yi),故自晉迄隋(sui),特多(duo)鬼(gui)(gui)神(shen)志怪之(zhi)(zhi)(zhi)書(shu)(shu)(shu)。其(qi)書(shu)(shu)(shu)有(you)(you)出于(yu)(yu)文人(ren)(ren)者(zhe)(zhe),有(you)(you)出于(yu)(yu)教徒(tu)者(zhe)(zhe)。文人(ren)(ren)之(zhi)(zhi)(zhi)作,雖(sui)非如釋(shi)道二家,意(yi)(yi)在自神(shen)其(qi)教,然亦非有(you)(you)意(yi)(yi)為(wei)小說,蓋(gai)當時以(yi)為(wei)幽明(ming)雖(sui)殊途,而(er)(er)人(ren)(ren)鬼(gui)(gui)乃皆(jie)實(shi)(shi)(shi)有(you)(you),故其(qi)敘述異(yi)事(shi)(shi),與記載人(ren)(ren)間常事(shi)(shi),自視(shi)固無誠(cheng)妄之(zhi)(zhi)(zhi)別(bie)矣(yi)。”④有(you)(you)些史(shi)學(xue)(xue)家是(shi)(shi)很(hen)重視(shi)《魏(wei)書(shu)(shu)(shu)·釋(shi)老(lao)志》的(de)(de),對所(suo)記神(shen)仙故事(shi)(shi),并不(bu)(bu)簡單地視(shi)為(wei)荒誕,而(er)(er)是(shi)(shi)透過(guo)虛(xu)幻的(de)(de)表面,看(kan)到(dao)具有(you)(you)重要意(yi)(yi)義的(de)(de)實(shi)(shi)(shi)質。
清(qing)代乾嘉(jia)時期的史學巨匠錢大(da)昕在其(qi)名著《二十二史考異(yi)》中,對(dui)《魏書·釋老志》《仙人(ren)成公興(xing)》條,就曾以(yi)《殷紹(shao)傳》釋成公興(xing)的籍貫。而進一步地(di)將(jiang)上引《魏書》中的兩(liang)段文字聯系起來考證并闡發其(qi)重(zhong)要價值的,則(ze)是二十世紀的史學大(da)師陳(chen)寅(yin)恪先生。
1950年,陳先生發表了名文《崔浩與寇(kou)謙(qian)之(zhi)(zhi)》。文章的(de)(de)前半即以論(lun)述(shu)寇(kou)謙(qian)之(zhi)(zhi)為(wei)主。寇(kou)謙(qian)之(zhi)(zhi)是中(zhong)國道教(jiao)發展史上的(de)(de)一位非常重(zhong)(zhong)要的(de)(de)人物,成公興(xing)則對寇(kou)謙(qian)之(zhi)(zhi)有過至關重(zhong)(zhong)要的(de)(de)影響。陳寅恪先生先論(lun)證(zheng)了寇(kou)謙(qian)之(zhi)(zhi)的(de)(de)家世:寇(kou)氏原是漢中(zhong)張(zhang)魯治下的(de)(de)大族,曹操平(ping)漢中(zhong),徙張(zhang)魯徒眾于長安及三輔地區。“寇(kou)氏為(wei)豪宗大族,故有被徙之(zhi)(zhi)資(zi)格(ge),以其為(wei)米賊馀黨,故其家世守天(tian)師道之(zhi)(zhi)信仰。然則寇(kou)謙(qian)之(zhi)(zhi)之(zhi)(zhi)所(suo)以早(zao)修張(zhang)魯之(zhi)(zhi)術,固非偶(ou)然也。”⑤
對于《釋(shi)老志》中關于寇謙之(zhi)(zhi)(zhi)(zhi)與成(cheng)(cheng)公興的(de)一(yi)(yi)段(duan)記(ji)載,陳寅(yin)恪先生認為:“此節為吾國接受外(wai)來學(xue)說(shuo)及技術之(zhi)(zhi)(zhi)(zhi)一(yi)(yi)重公案”。“吾國道教(jiao)雖(sui)起初(chu)原為本土之(zhi)(zhi)(zhi)(zhi)產物,而其后逐漸接受模襲外(wai)來輸入之(zhi)(zhi)(zhi)(zhi)學(xue)說(shuo)技術,變易演進(jin)(jin),遂成(cheng)(cheng)為一(yi)(yi)龐大復雜之(zhi)(zhi)(zhi)(zhi)混合體。綜觀二千年(nian)來道教(jiao)之(zhi)(zhi)(zhi)(zhi)發展史,每(mei)一(yi)(yi)次(ci)之(zhi)(zhi)(zhi)(zhi)改革,必(bi)受一(yi)(yi)種外(wai)來學(xue)說(shuo)之(zhi)(zhi)(zhi)(zhi)激刺,而所受外(wai)來之(zhi)(zhi)(zhi)(zhi)學(xue)說(shuo),要(yao)以(yi)佛教(jiao)為主。” “寇謙之(zhi)(zhi)(zhi)(zhi)少(shao)修張魯(lu)之(zhi)(zhi)(zhi)(zhi)術,即(ji)其家世所傳(chuan)(chuan)之(zhi)(zhi)(zhi)(zhi)舊道教(jiao)。而服食(shi)餌藥歷年(nian)無效,是其所傳(chuan)(chuan)之(zhi)(zhi)(zhi)(zhi)舊醫藥生理(li)學(xue)有待于新(xin)學(xue)之(zhi)(zhi)(zhi)(zhi)改進(jin)(jin)也(ye)。其學(xue)算(suan)累年(nian)而算(suan)《七曜》、《周髀》有所不合,是其舊傳(chuan)(chuan)之(zhi)(zhi)(zhi)(zhi)天(tian)文算(suan)學(xue)亦有待于新(xin)學(xue)之(zhi)(zhi)(zhi)(zhi)改進(jin)(jin)也(ye)。”
陳(chen)寅恪先生稱“天(tian)算之學(xue)于道(dao)教至為重要”。通過旁(pang)征(zheng)博考,他認為魏晉以前的《周(zhou)髀》蓋天(tian)之術為舊(jiu)術(按:《周(zhou)髀》是中(zhong)國古代(dai)的天(tian)文歷算著作(zuo),主要內容是對古代(dai)宇宙天(tian)體論《蓋天(tian)說(shuo)》進行數學(xue)計算 ),聯系《殷紹傳(chuan)》所述,陳(chen)先生認為成(cheng)(cheng)(cheng)公(gong)興(xing)(xing)(xing)與當(dang)時的佛(fo)教徒有密(mi)切關系,他介紹的向殷紹傳(chuan)授醫學(xue)、算學(xue)的名師(shi)曇(tan)影、法穆以及(ji)“和公(gong)”,都(dou)是佛(fo)教徒,“寇(kou)(kou)謙(qian)(qian)之、殷紹從成(cheng)(cheng)(cheng)公(gong)興(xing)(xing)(xing)、曇(tan)影、法穆等受(shou)《周(zhou)髀》算術,是從佛(fo)教受(shou)天(tian)竺輸入之‘新(xin)蓋天(tian)說(shuo)’”。寇(kou)(kou)謙(qian)(qian)之用其世(shi)代(dai)所傳(chuan)舊(jiu)法累年算《七曜》、《周(zhou)髀》不合 ,可是按照成(cheng)(cheng)(cheng)公(gong)興(xing)(xing)(xing)的算法,卻“俄(e)然便(bian)決”,竟使(shi)寇(kou)(kou)謙(qian)(qian)之大為嘆服 ,愿立即拜師(shi)。雖(sui)成(cheng)(cheng)(cheng)公(gong)興(xing)(xing)(xing)堅(jian)辭不肯,此(ci)后寇(kou)(kou)謙(qian)(qian)之卻隨成(cheng)(cheng)(cheng)公(gong)興(xing)(xing)(xing)入嵩山修練,七年之后,成(cheng)(cheng)(cheng)公(gong)興(xing)(xing)(xing)仙去,寇(kou)(kou)謙(qian)(qian)之則運用他從成(cheng)(cheng)(cheng)公(gong)興(xing)(xing)(xing)那里學(xue)到的佛(fo)教受(shou)天(tian)竺輸入之“新(xin)蓋天(tian)說(shuo)”(另(ling)外還有佛(fo)教的“律學(xue)”),成(cheng)(cheng)(cheng)功地對道(dao)教進行了改(gai)革。
據《魏書·釋老志》:寇謙(qian)(qian)之于北魏明元(yuan)帝(di)(di)神瑞二年(nian)(nian)(公元(yuan)415年(nian)(nian))十月(yue),自稱(cheng)太上(shang)老君親(qin)臨(lin)(lin)嵩山,授給他真經(jing),令他“清整道(dao)(dao)教(jiao)(jiao),除去三張(zhang)(指(zhi)張(zhang)陵、張(zhang)衡、張(zhang)魯)偽法、租米(mi)錢稅(shui)及(ji)男(nan)女合(he)氣之術(shu)。太常八年(nian)(nian)(423年(nian)(nian)),又稱(cheng)有“牧土(tu)上(shang)師(shi)(shi)李譜文來臨(lin)(lin)嵩岳”教(jiao)(jiao)道(dao)(dao)眾(zhong)“修(xiu)身煉藥,學長生之術(shu)”。寇謙(qian)(qian)之成(cheng)(cheng)功地改造了(le)舊的(de)道(dao)(dao)教(jiao)(jiao) ,得到(dao)了(le)北方士族領袖當(dang)時還(huan)深受北魏太武(wu)帝(di)(di)崇信的(de)崔(cui)浩(hao)的(de)支持,進而得到(dao)太武(wu)帝(di)(di)的(de)賞(shang)識,太武(wu)帝(di)(di)“崇奉(feng)天師(shi)(shi),顯揚新法”,“建道(dao)(dao)壇,親(qin)受符錄”。以后(hou)的(de)北魏皇(huang)帝(di)(di)皆(jie)例行不輟(chuo)。總之,寇謙(qian)(qian)之是把(ba)原(yuan)始的(de)道(dao)(dao)教(jiao)(jiao)改革成(cheng)(cheng)為(wei)具(ju)有完整的(de)教(jiao)(jiao)義、教(jiao)(jiao)規,從而使道(dao)(dao)教(jiao)(jiao)成(cheng)(cheng)為(wei)與勢力興(xing)(xing)盛的(de)佛教(jiao)(jiao)并列的(de)一(yi)位關鍵人(ren)(ren)物(wu)⑥,而膠東(今平度)人(ren)(ren)成(cheng)(cheng)公興(xing)(xing)作為(wei)寇謙(qian)(qian)之實際(ji)上(shang)的(de)老師(shi)(shi)則長達七年(nian)(nian)之久(jiu),對于寇謙(qian)(qian)之以后(hou)的(de)作為(wei)和事(shi)業(ye),影(ying)響(xiang)至為(wei)重大(da)和深遠。
陳寅恪(ke)先生(sheng)認(ren)為《魏書》中有關成(cheng)(cheng)(cheng)公(gong)(gong)興(xing)的兩(liang)段文字“其(qi)時間(jian)與(yu)空間(jian)二者(zhe)俱相適合,自(zi)不待言”。現試作具(ju)體推(tui)算:殷紹上(shang)《四序(xu)堪輿》為公(gong)(gong)元(yuan)458年(nian)(nian)(太安四年(nian)(nian)),他(ta)“以甲寅之(zhi)(zhi)年(nian)(nian)奉辭(曇)影(ying)(ying)等(deng)(deng)。自(zi)爾至(zhi)今,四十五(wu)載”。則(ze)(ze)此甲寅當(dang)為北魏明元(yuan)帝(di)神瑞元(yuan)年(nian)(nian),即公(gong)(gong)元(yuan)414年(nian)(nian)。殷紹師從(cong)曇影(ying)(ying)等(deng)(deng)四年(nian)(nian),開(kai)(kai)始為410年(nian)(nian),則(ze)(ze)他(ta)向成(cheng)(cheng)(cheng)公(gong)(gong)興(xing)學《九章要(yao)術》和成(cheng)(cheng)(cheng)公(gong)(gong)興(xing)“北還”,可(ke)假(jia)定(ding)為408年(nian)(nian)。再(zai)看寇(kou)謙(qian)之(zhi)(zhi):他(ta)于415年(nian)(nian)(明元(yuan)帝(di)神瑞二年(nian)(nian))自(zi)稱遇(yu)太上(shang)老(lao)君,而(er)此前成(cheng)(cheng)(cheng)公(gong)(gong)興(xing)“仙(xian)去(qu)”,“興(xing)事謙(qian)之(zhi)(zhi)七年(nian)(nian)”,則(ze)(ze)寇(kou)謙(qian)之(zhi)(zhi)初(chu)遇(yu)成(cheng)(cheng)(cheng)公(gong)(gong)興(xing),約在408年(nian)(nian)。于是(shi),似可(ke)認(ren)為,成(cheng)(cheng)(cheng)公(gong)(gong)興(xing)離開(kai)(kai)伊川,不久便西去(qu)關中,遇(yu)到了寇(kou)謙(qian)之(zhi)(zhi) 。他(ta)真(zhen)正“稀在人間(jian)”是(shi)在七年(nian)(nian)之(zhi)(zhi)后,從(cong)嵩山“著衣持缽,執(zhi)杖而(er)去(qu)”的。
假定公元408年時(shi)(shi)已被殷紹稱(cheng)為(wei)“游(you)遁(dun)大儒”而(er)(er)且(qie)被寇謙之(zhi)(zhi)(zhi)認為(wei)“力作(zuo)甚(shen)強(qiang)”的(de)(de)(de)成公興,時(shi)(shi)為(wei)45歲(至多不應超過50歲),其(qi)(qi)生(sheng)年則(ze)約(yue)為(wei)363年。其(qi)(qi)時(shi)(shi)膠東處于(yu)前(qian)燕(yan)治下(xia)(xia),370年,前(qian)秦(qin)(qin)滅前(qian)燕(yan),383年淝水之(zhi)(zhi)(zhi)戰,前(qian)秦(qin)(qin)解(jie)體(ti)時(shi)(shi),成公興約(yue)為(wei)20歲。氐族苻氏的(de)(de)(de)前(qian)秦(qin)(qin)是(shi)十六(liu)國(guo)時(shi)(shi)期最(zui)強(qiang)盛的(de)(de)(de)王(wang)朝(chao),其(qi)(qi)版圖“東極(ji)滄海,西并龜茲(zi),南苞襄陽(yang),北盡(jin)沙漠”,一度出現了(le)“兵(bing)強(qiang)國(guo)富,垂(chui)及升平”的(de)(de)(de)局面。成公興的(de)(de)(de)青(qing)年時(shi)(shi)代是(shi)在(zai)前(qian)秦(qin)(qin)治下(xia)(xia)度過的(de)(de)(de),得(de)以打下(xia)(xia)了(le)堅實(shi)的(de)(de)(de)學(xue)問基礎。淝水之(zhi)(zhi)(zhi)戰后,青(qing)州(zhou)先(xian)(xian)為(wei)后燕(yan)(384——398)、繼為(wei)南燕(yan)(399——410)所有,今膠東半島地區,并未遭受大的(de)(de)(de)社(she)會變亂。而(er)(er)自劉裕滅南燕(yan),青(qing)州(zhou)歸屬江南后,青(qing)州(zhou)則(ze)陷入了(le)嚴重(zhong)的(de)(de)(de)戰亂之(zhi)(zhi)(zhi)中(zhong)。淝水之(zhi)(zhi)(zhi)戰后,羌族姚氏在(zai)關中(zhong)建立的(de)(de)(de)后秦(qin)(qin),經濟和(he)文化都(dou)較周邊政權為(wei)好,成公興中(zhong)年時(shi)(shi)期離開戰亂不已的(de)(de)(de)家(jia)鄉,到了(le)后秦(qin)(qin)治下(xia)(xia)的(de)(de)(de)嵩(song)洛和(he)三(san)輔一帶,避世而(er)(er)不忘(wang)授業。他(ta)(ta)的(de)(de)(de)學(xue)問既有深厚的(de)(de)(de)儒家(jia)根(gen)基,又有豐富的(de)(de)(de)釋老(lao)內容,尤其(qi)(qi)在(zai)天文歷算和(he)醫藥方面,他(ta)(ta)掌(zhang)握了(le)外(wai)來佛教(jiao)在(zai)這些學(xue)科中(zhong)的(de)(de)(de)先(xian)(xian)進知(zhi)識和(he)技術,并通過他(ta)(ta)的(de)(de)(de)弟子(zi)殷紹和(he)寇謙之(zhi)(zhi)(zhi),用于(yu)實(shi)踐(jian),得(de)以發揚而(er)(er)光大之(zhi)(zhi)(zhi)。
今天,撇開釋老神仙之說不論,我們(men)對于成公(gong)興的(de)真(zhen)實面目(mu)已經有了具體的(de)了解,歷(li)史(shi)文(wen)化名(ming)人之稱,他應該是當之無愧的(de)。 注: ①《魏書》卷(juan)九(jiu)十一(yi)(yi)。 ②參見《魏書·地形志》和譚其驤先(xian)生(sheng)(sheng)主編的(de)《中國(guo)歷(li)史(shi)地圖集》。 ③《魏書》卷(juan)一(yi)(yi)一(yi)(yi)四。 ④魯迅:《中國(guo)小(xiao)說史(shi)略》。 ⑤本(ben)文(wen)以下所引陳寅恪先(xian)生(sheng)(sheng)文(wen),皆(jie)出(chu)自《金明鈸叢稿初編·崔(cui)浩與(yu)寇謙之》。 ⑥參見葛兆光《中國(guo)思想史(shi)》第一(yi)(yi)卷(juan)第三編第三節《清整(zheng)道教(jiao)》。