CC Madhya 25.263

saṅkṣepe kahiluṅ ei madhya-līlāra sāra
koṭi-granthe varṇana nā yāya ihāra vistāra
Synonyms: 
saṅkṣepe — in brief; kahiluṅ — I have described; ei — this; madhya-līlāra sāra — essence of Madhya-līlā; koṭi-granthe — in millions of books; varṇana — description; yāya — is not possible; ihāra vistāra — elaborately.
Translation: 
I have now summarized the entire subject matter of the Madhya-līlā. These pastimes cannot be described elaborately even in millions of books.