法界次第初門 2.183

2.183

Seventh, the factor of awakening of mindfulness. When cultivating the supramundane path, being skilled in discerning and constantly making samādhi and wisdom balanced. If the mind sinks, one should mindfully apply the three factors of awakening—investigation of dharmas, vigor, and joy—to inspect and uplift it. If the mind is restless, one should mindfully apply the three factors—pliancy, equanimity, and samādhi—to restrain it. Mindfulness of awakening constantly resides between the two excesses, harmonizing them appropriately; this is the factor of awakening of mindfulness.