Bhagavatapurana 4.29.19

4.29.19

mano-raśmir buddhi-sūto hṛn-nīḍo dvandva-kūbaraḥ /
pañcendriyārtha-prakṣepaḥ sapta-dhātu-varūthakaḥ //

19. The Manas is the rein; Buddhi (intellect) is the charioteer and the heart is his seat; the states of grief and folly are the two points, where the poles of the yoke are fixed; the five receptacles are those that receive the five objects of sense and the enclosures are (no

other than) the seven Dhatus, *viz*, blood, bone, etc.