sn.46.19 Saṁyutta Nikāya (Linked Discourses)

“Bhikkhus, these seven factors of enlightenment, when developed and cultivated, are noble and emancipating; they lead the one who acts upon them out to the complete destruction of suffering. What seven? The enlightenment factor of mindfulness … the enlightenment factor of equanimity. These seven factors of enlightenment … lead the one who acts upon them out to the complete destruction of suffering.”