How to Make the Manas Abide in Mindfulness of This Very Object

For a dharma to penetrate deep into the mind, one must delve deeply into meditative concentration (dhyāna), practicing śamatha and vipaśyanā in unison. By frequently contemplating within samādhi, uninterrupted mental application will form, abiding mindfulness of this very object. The manas will then firmly hold onto this dharma, silently investigating it, and one day, one will thoroughly penetrate this dharma. Without meditative concentration, the meaning of the dharma cannot penetrate deep into the mind, questioning doubt cannot form, and thus there will be no breakthrough, and one cannot investigate out any substantive content.