“Bhikkhus, these seven factors of enlightenment, when developed and cultivated, lead to growth, to nondecline. What seven? The enlightenment factor of mindfulness … the enlightenment factor of equanimity. These seven factors of enlightenment, when developed and cultivated, lead to growth, to nondecline.”
SN46.36: Buddhisutta
Buddhisutta: Growth - translated by Bhikkhu Bodhi
Translated by Bhikkhu Bodhi. Source text via SuttaCentral.