๔. ชุณหสูตร
TIPITAKA Volume 25 : PALI ROMAN Sutta Pitaka Vol 17 : Sutta. Khu. khuddakapāṭho-dhammapadagāthā-udānaṃ-itivuttakaṃ-suttanipāto
[93] 4 Evamme sutaṃ . ekaṃ samayaṃ bhagavā rājagahe viharati veḷuvane kalandakanivāpe . tena kho pana samayena āyasmā ca sārīputto āyasmā ca mahāmoggallāno kapotakandarāyaṃ viharanti . tena kho pana samayena āyasmā sārīputto juṇhāya rattiyā navoropitehi kesehi abbhokāse nisinno hoti aññataraṃ samādhiṃ samāpajjitvā.