Aṅguttara Nikāya 4 8. Apaṇṇakavagga 74. Paṭhamaaggasutta “Cattārimāni, bhikkhave, aggāni. Katamāni cattāri? Sīlaggaṃ, samādhiggaṃ, paññāggaṃ, vimuttaggaṃ—imāni kho, bhikkhave, cattāri aggānī”ti. Catutthaṃ.