How now one can see? He has to see through the parampara, succession. You have not seen your great-grandfather. How do you know that he was? How do you know? Great-grandfather or his father, you have not seen. How do you believe?: 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.