By Bhakti V. V. Narasimha Swami
So this is one of the two verses which are used in the beginning of Caitanya-caritamrta by Krsnadasa Kaviraja Gosvami to introduce us to Advaita Acarya. The chapter then goes on to explain how Advaita Acarya is the second branch of the tree of Caitanya Mahaprabhu - the first branch of course being Lord Nityananda and the main trunk being Sri Caitanya Mahaprabhu Himself.