by Śrī Śrīmad Bhakti-prajñāna Keśava Gosvāmī Mahārāja
❝Śikṣā-guru gives instruction on how to serve the dīkṣā-guru. One who is averse to giving instruction on service to the dīkṣā-guru cannot be called a śikṣā-guru. He cannot even be a Vaiṣṇava, as he has not learned how to honour the dīkṣā-guru.❞