Theragāthā Ekakanipāta Navamavagga 1.86. Nāgitattheragāthā “Ito bahiddhā puthu aññavādinaṃ, Maggo na nibbānagamo yathā ayaṃ; Itissu saṃghaṃ bhagavānusāsati, Satthā sayaṃ pāṇitaleva dassayan”ti. … Nāgito thero ….