โกสลสูตร
TIPITAKA Volume 19 : PALI ROMAN Sutta Pitaka Vol 11 : Sutta. Saṃ. Ma.
[691] Ekaṃ samayaṃ bhagavā kosalesu viharati kosalāyaṃ 1- brāhmaṇagāme . tatra kho bhagavā bhikkhū āmantesi .pe. Etadavoca ye te bhikkhave bhikkhū navā acirapabbajitā adhunāgatā imaṃ dhammavinayaṃ te vo 2- bhikkhave bhikkhū catunnaṃ satipaṭṭhānānaṃ bhāvanāya samādapetabbā nivesetabbā patiṭṭhāpetabbā. Katamesaṃ catunnaṃ.