TIPITAKA Volume 16 : PALI ROMAN Sutta Pitaka Vol 8 : Sutta. Saṃ. Ni.

[489] Rājagahe viharati veḷuvane ... Atha kho āyasmā mahākassapo yena bhagavā tenupasaṅkami ... ekamantaṃ nisinnaṃ kho āyasmantaṃ mahākassapaṃ bhagavā etadavoca ovada kassapa bhikkhū karohi kassapa bhikkhūnaṃ dhammiṃ kathaṃ ahaṃ vā kassapa bhikkhū ovadeyyaṃ tvaṃ vā ahaṃ vā bhikkhūnaṃ dhammiṃ kathaṃ kareyyaṃ tvaṃ vāti.