And how does a mendicant who develops the seven awakening factors slant, slope, and incline to extinguishment? It’s when a mendicant develops the awakening factors of mindfulness, investigation of principles, energy, rapture, tranquility, immersion, and equanimity, which rely on seclusion, fading away, and cessation, and ripen as letting go. That’s how a mendicant who develops and cultivates the seven awakening factors slants, slopes, and inclines to extinguishment.”

Linked Discourses 46.8 1. Mountains With Upavāṇa

At one time the venerables Upavāṇa and Sāriputta were staying near Kosambī in Ghosita’s monastery. Then in the late afternoon, Venerable Sāriputta came out of retreat, went to Venerable Upavāṇa and exchanged greetings with him. When the greetings and polite conversation were over, he sat down to one side and said to Upavāṇa:

“Reverend Upavāṇa, can a mendicant know that by investigating inside themselves, the seven awakening factors have been properly implemented so that they lead to living at ease?” “They can, Reverend Sāriputta.