- Aṅguttara Nikāya 9.59 Numbered Discourses 9.59
- 6. Khemavagga 6. A Safe Place
Anupubbapassaddhisutta Progressive Tranquility
“‘Anupubbapassaddhi, anupubbapassaddhī’ti, āvuso, vuccati …. “Reverend, they speak of ‘progressive tranquility’. …”
Aṭṭhamaṁ.