And how does a mendicant with rational application of mind develop and cultivate the seven awakening factors? 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 with rational application of mind develops and cultivates the seven awakening factors.”

Linked Discourses 46.33 4. Hindrances Corruptions