Saṃyutta Nikāya 43
1. Paṭhamavagga
3. Savitakkasavicārasutta
“Katamo ca, bhikkhave, asaṅkhatagāmimaggo? Savitakkasavicāro samādhi, avitakkavicāramatto samādhi, avitakkaavicāro samādhi—ayaṃ vuccati, bhikkhave, asaṅkhatagāmimaggo … pe ….
Tatiyaṃ.