This is a quotation (of CC Madhya 25.132) from Srimad-Bhagavatam (SB 1.2.11). For an explanation see Adi-lila, Chapter 2, text 11: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.