bhagavAn shrI kundakundAchAryadevapraNIt yah ‘samayaprAbhR^it’ athavA ‘samayasAr’ nAmakA shAstra ‘dvitIy shrutaska.ndh’kA sarvotkR^iShTa Agam hai.
‘dvitIy shrutaska.ndh’kI utpatti kis prakAr huI, yah pahale ham paTTAvalio.nke AdhArase sa.nkShepame.n dekh leve.n.
Aj se 2466 varSha pahale is bharatakShetrakI puNya-bhUmime.n mokShamArgakA prakAsh karaneke liye jagatpUjya param bhaTTArak bhagavAn shrI mahAvIrasvAmI apanI sAtishay divyadhvani dvArA samasta padArtho.nkA svarUp pragaT kar rahe the. unake nirvANake pashchAt pA.nch shrutakevalI hue, uname.nse antim shrutakevalI shrI bhadrabAhusvAmI hue. vahA.N tak to dvAdashA.ngashAstrake prarUpaNase vyavahAranishchayAtmak mokShamArga yathArtha pravartatA rahA. tatpashchAt kAladoShase kramakramase a.ngAo.nke j~nAnakI vyuchChitti hotI gaI. isaprakAr apAr j~nAnasi.ndhukA bahu bhAg vichChed ho jAneke pashchAt dUsare bhadrabAhusvAmI AchAryakI paripATIme.n do mahA samartha muni hue — ekakA nAm shrI dharasen AchArya tathA dUsaro.nkA nAm shrI guNadhar AchArya thA. unase mile hue j~nAnake dvArA unakI paramparAme.n honevAle AchAryo.nne shAstro.nkI rachanAe.N kI aur shrI vIrabhagavAnake upadeshakA pravAh pravAhit rakhA.
shrI dharasen AchAryako agrAyaNIpUrvake pA.Nchave.N ‘vastu’ adhikArake mahAkarmaprakR^iti nAmak chauthe prAbhR^itakA j~nAn thA. us j~nAnAmR^itame.nse anukramase unake pICheke AchAryo.n dvArA ShTakha.nDAgam tathA usakI dhavalA-TIkA, gommTasAr, labdhisAr, kShapaNAsAr Adi shAstro.nkI rachanA huI. isaprakAr pratham shrutaska.ndhakI utpatti hai. usame.n jIv aur karmake sa.nyogase hue AtmAkI sa.nsAr-paryAyakA — guNasthAn, mArgaNAsthAn AdikA — sa.nkShipta varNan hai, paryAyArthikanayako pradhAn karake kathan hai. is nayako ashuddhadravyArthik bhI kahate hai.n aur adhyAtmabhAShAse ashuddha-nishchayanay athavA vyavahAr kahate hai.n.
shrI guNadhar AchAryako j~nAnapravAdapUrvakI dasavI.n ‘vastu’ke tR^itIy prAbhR^itakA j~nAn thA. us j~nAname.nse unake pICheke AchAryo.nne anukramase siddhAnta rache. isaprakAr sarvaj~na bhagavAn mahAvIrase pravAhit hotA huvA j~nAn, AchAryo.nkI paramparAse bhagavAn shrI kundakundAchAryadevako prApta huA. unho.nne