Saṃyutta Nikāya 52 2. Dutiyavagga 20. Indriyaparopariyattasutta “Imesañca panāhaṃ, āvuso, catunnaṃ satipaṭṭhānānaṃ bhāvitattā bahulīkatattā parasattānaṃ parapuggalānaṃ indriyaparopariyattaṃ yathābhūtaṃ pajānāmī”ti. Dasamaṃ.