Ñāṇavatthusutta
Sāvatthiyaṁ … “Catucattārīsaṁ vo, bhikkhave, ñāṇavatthūni desessāmi, taṁ suṇātha, sādhukaṁ manasi karotha, bhāsissāmī”ti. “Evaṁ, bhante”ti kho te bhikkhū bhagavato paccassosuṁ. Bhagavā etadavoca:
Grounds for Knowledge
At Sāvatthī. “Mendicants, I will teach forty-four grounds for knowledge. Listen and apply your mind well, I will speak.” “Yes, sir,” they replied. The Buddha said this: