Srila Prabhupada

Just like Sārvabhauma Bhaṭṭācārya. You know, Sārvabhauma Bhaṭṭācārya was a great scholar and . . . Māyāvādī scholar, but Caitanya Mahāprabhu made him surrender unto Him. He became Caitanya Mahāprabhu's admirer, follower, after being defeated in Vedānta-sūtra understanding. That story is there in the TLC. (Teachings of Lord Caitanya)
So Sārvabhauma Bhaṭṭācārya became convinced that Śrī Caitanya Mahāprabhu is Kṛṣṇa. He wrote hundred verses about Caitanya Mahāprabhu, out of two verses are available in the Caitanya-caritāmṛta. He composed—he was a very learned scholar—he composed one hundred verses about Caitanya Mahāprabhu, and handed it over. But in all those verses he admitted that, "You are Kṛṣṇa."
So Caitanya Mahāprabhu, of course He was very much pleased that Sārvabhauma Bhaṭṭācārya understood, but because He was playing the part of an ācārya, He, externally He became, "What you have written all these things?" He immediately torn out and throw it away. But the devotees saved only two. That two verses are there:
vairāgya-vidyā-nija-bhakti-yoga-
śikṣārtham ekaḥ puruṣaḥ purāṇaḥ
śrī (kṛṣṇa) caitanya mahāprabhu (śarīra-dhāri)
kṛpāmbudhir yas tam ahaṁ prapadye
(CC Madhya 6.254)
You'll find that verse that, "You are the same Śrī Kṛṣṇa. You have come to teach us vairāgya-vidyā." Vairāgya-vidyā means how to become unattached with this material world. That is called vairāgya-vidyā. Because our . . . we are accepting different types of body on account of our attachment. Because we are attached to this material world, we want to enjoy. That is illusion. We cannot enjoy, we are simply suffering, but we are accepting it as enjoyment.
(710731 - Lecture BS 5.35 - New York)