CC Ādi 6.52

caitanya-gosāñi more kare guru jñāna
tathāpiha mora haya dāsa-abhimāna
Word for word: 
caitanya-gosāñi — Lord Śrī Caitanya Mahāprabhu; more — unto Me; kare — does; guru-jñāna — consideration as a spiritual master; tathāpiha — still; mora — My; haya — there is; dāsa-abhimāna — the conception of being His servant.
Translation: 
Śrī Advaita Ācārya thinks, “Lord Caitanya considers Me His spiritual master, yet I feel Myself to be only His servant.”