๑. ธาตุสูตร
TIPITAKA Volume 16 : PALI ROMAN Sutta Pitaka Vol 8 : Sutta. Saṃ. Ni. Dhātusaṃyuttaṃ ----- nānattavaggo paṭhamo
[333] Sāvatthiyaṃ viharati ... Dhātunānattaṃ vo bhikkhave desissāmi taṃ suṇātha sādhukaṃ manasikarotha bhāsissāmīti . evaṃ bhanteti kho te bhikkhū bhagavato paccassosuṃ.