bhagavAn shrI kundakundAchAryadevapraNIt ‘ratnachatuShTay’mAnthI shrI samayasAr, pravachanasAr ane niyamasAranA prakAshan pachhI have A chothun ratna shrI panchAstikAyasangrah gujarAtI bhAShAmAn prasiddha karIne A sansthA harShapUrvak mumukShuonA hAthamAn mUke chhe. gujarAtI bhAShAnA AdhyAtmik sAhityamAn A ‘ratnachatuShTay’nun sthAn sarvotkRuShTa chhe.
shrI amRutachandrAchAryadevanI sanskRit TIkAnA akSharasha gujarAtI anuvAd sAthe A shAstra gujarAtI bhAShAmAn pahelI ja vAr prasiddha thAy chhe. mUL sUtrakAr tathA TIkAkAr AchAryabhagavantono parichay, tem ja shAstranA viShayono parichay upodghAtamAn karAvavAmAn Avyo chhe, tethI ahIn te sambandhI ullekh nathI karatA.
pUjya gurudeve A paramAgamashAstra upar anek vAr pravachano karIne tenAn UnDAn rahasyo kholyAn chhe. A rIte anek paramAgamono AdhyAtmik marma samajAvIne teoshrI bhAratanA anek mumukShu jIvo upar je param upakAr karI rahyA chhe, te upakAr vANIthI vyakta thaI shake tem nathI. gnAnaprabhAvak gurudevanA pratApe ja jainasAhityanAn AvAn AvAn ratno Aje mumukShuone prApta thayAn chhe.
shrI samayasAr vagere paramAgamonI jem A panchAstikAyasangrah paramAgamano gujarAtI anuvAd paN pUjya gurudevanI preraNA jhIlIne vidvAn bhAI shrI himmatalAl je. shAhe karyo chhe. A pavitra shAstronA gujarAtI anuvAdanun mahAkArya karanAr bhAI shrI himmatalAl jeThAlAl shAh adhyAtmarasik vidvAn hovA uparAnt gambhIr, vairAgyashALI, shAnt ane vivekI sajjna chhe, tathA temanAmAn adhyAtmarasajharatun madhur kavitva paN chhe. pavitrAtmA pUjya bahenashrI champAben nA teo bandhu chhe. teo ghaNAn varShothI pUjya gurudevanA parichayamAn AvyA chhe, ne pUjya gurudevanAn adhyAtmapravachanonA UnDA manan vaDe temaNe potAnI AtmArthitAne ghaNun poShaN Apyun chhe. tattvArthanAn mUL rahasyo uparanun temanun manan ghaNun gahan chhe. shAstrakAr ane TIkAkAr munibhagavantonA hRudayanA UnDA bhAvonI gambhIratAne barAbar jALavIne temaNe A akSharasha anuvAd karyo chhe; te uparAnt mUL sUtrono bhAvabharyo madhur padyAnuvAd paN (harigIt chhandamAn) temaNe karyo chhe, je A anuvAdanI madhuratAmAn khUb ja vadhAro kare chhe ane svAdhyAyapremIone khUb ja upayogI thAy chhe. A uparAnt jyAn jarUr lAgI tyAn bhAvArtha dvArA ke phUTanoT dvArA paN temaNe spaShTatA karI