Mind as Charioteer; Kṣetrajña, Tapas, and Dhyāna-Yoga
Adhyātma-Upadeśa
अहंकारात् परा बुद्धिर्बुद्धेरात्मा तत: पर: । तस्मात् तु परमव्यक्तमव्यक्तात् पुरुष: पर:
“Higher than ego-sense (ahaṅkāra) is intellect (buddhi); higher than intellect is the self (ātman); higher than the self is the unmanifest (avyakta); and higher than the unmanifest is the Person (puruṣa).”
वायुदेव उवाच