法界次第初門 2.148

2.148

Third, mindfulness of the mind: the six consciousnesses being able to cognize the various sense objects, discriminating and taking them as objects, is called the mind. Within this, the wisdom that contemplates the internal mind is called 'mindfulness'. Thoroughly knowing that the mind arises from conditions, does not abide for a moment, and arises and ceases moment by moment, to shatter the inversion of permanence, is 'basis'. Contemplating the external mind and internal-and-external mind is also like this. This is the mindfulness of the mind.