Dutiyasamaṇabrāhmaṇasutta
Sāvatthiyaṁ viharati. “Catasso imā, bhikkhave, dhātuyo. Katamā catasso? Pathavīdhātu, āpodhātu, tejodhātu, vāyodhātu. Ye hi keci, bhikkhave, samaṇā vā brāhmaṇā vā imāsaṁ catunnaṁ dhātūnaṁ samudayañca atthaṅgamañca assādañca ādīnavañca nissaraṇañca yathābhūtaṁ nappajānanti …pe… (vitthāretabbaṁ) pajānanti …pe… sayaṁ abhiññā sacchikatvā upasampajja viharantī”ti.
Ascetics and Brahmins (2nd)
At Sāvatthī. “Mendicants, there are these four elements. What four? The elements of earth, water, fire, and air. There are ascetics and brahmins who don’t truly understand these four elements’ origin, disappearance, gratification, drawback, and escape … (Tell all in full.) There are ascetics and brahmins who do truly understand these four elements’ origin, disappearance, gratification, drawback, and escape …”