Mind as Charioteer; Kṣetrajña, Tapas, and Dhyāna-Yoga
Adhyātma-Upadeśa
द्रव्यमात्रभूत् सत्त्वं पुरुषस्येति निश्चय:
dravyamātrabhūt sattvaṃ puruṣasyeti niścayaḥ
Vāyu said: “The settled conclusion is this: the ‘being’ (sattva) of a person is nothing but a mere material constituent—only a thing among things.”
वायुदेव उवाच