Aṅguttara Nikāya 4 16. Indriyavagga 151. Indriyasutta “Cattārimāni, bhikkhave, indriyāni. Katamāni cattāri? Saddhindriyaṃ, vīriyindriyaṃ, satindriyaṃ, samādhindriyaṃ—imāni kho, bhikkhave, cattāri indriyānī”ti. Paṭhamaṃ.