"The Vaiṣṇavas are by far the greatest philosophers in the world, and the greatest among them was Śrīla Jīva Gosvāmī Prabhu, whose philosophy was again presented less than four hundred years later by Śrīla Bhaktisiddhānta Sarasvatī Ṭhākura Mahārāja. Therefore one must know very well that Vaiṣṇava philosophers are not sentimentalists or cheap devotees like the sahajiyās. All the Vaiṣṇava ācāryas were vastly learned scholars who understood Vedānta philosophy fully, for unless one knows Vedānta philosophy he cannot be an ācārya. To be accepted as an ācārya among Indian transcendentalists who follow the Vedic principles, one must become a vastly learned scholar in Vedānta philosophy, either by studying it or hearing it."
(Caitanya-caritāmṛta Ādi 7.102, Purport)
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