CC Ādi 16.94

śāstrera vicāra bhāla-manda nāhi jāni
sarasvatī ye balāya, sei bali vāṇī
Word for word: 
śāstrera vicāra — discussion of śāstra; bhāla-manda — good or bad; nāhi jāni — do not know; sarasvatī — mother Sarasvatī; ye balāya — whatever she speaks; sei — those; bali — I say; vāṇī — words.
Translation: 
“My dear sir, I do not know what is good composition and what is bad. But whatever I have spoken must be understood to have been spoken by mother Sarasvatī.”