Since you are completely aware of the Supreme Brahman, you are a perfect brāhmaṇa, and therefore you are the spiritual master of all orders of life. We accept you as our spiritual master and director so that by the power of your austerity we may easily defeat the enemies who have conquered us.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
वृणीमहे त्वोपाध्यायं ब्रह्मिष्ठं ब्राह्मणं गुरुम् । यथाञ्जसा विजेष्यामः सपत्नांस्तव तेजसा
vṛṇīmahe tvopādhyāyaṃ brahmiṣṭhaṃ brāhmaṇaṃ gurum | yathāñjasā vijeṣyāmaḥ sapatnāṃstava tejasā
SB 6.7.32