CC Madhya 6.122

prabhu kahe, — ‘more tumi kara anugraha
sei se kartavya, tumi yei more kaha’
Synonyms: 
prabhu kahe — the Lord replied; more — unto Me; tumi — you; kara — show; anugraha — mercy; sei se — that; kartavya — duty; tumi — you; yei — whatever; more — unto Me; kaha — say.
Translation: 
Lord Caitanya replied, “You are very merciful to Me, and therefore I think it is My duty to obey your order.”