อุปัฑฒสูตร
TIPITAKA Volume 19 : PALI ROMAN Sutta Pitaka Vol 11 : Sutta. Saṃ. Ma.
[4] Evamme sutaṃ ekaṃ samayaṃ bhagavā sakyesu viharati sakkaraṃ nāma sakyānaṃ nigamo . atha kho āyasmā ānando yena bhagavā tenupasaṅkami upasaṅkamitvā bhagavantaṃ abhivādetvā ekamantaṃ nisīdi . ekamantaṃ nisinno kho āyasmā ānando bhagavantaṃ etadavoca upaḍḍhamidaṃ bhante brahmacarayassa 1- yadidaṃ kalyāṇamittatā kalyāṇasahāyatā kalyāṇasampavaṅkatāti.