We see so many varieties of people, men, in the society, and what is the difference of variety? One has got good brain, another has got dull brain. That is dis . . . that is the variety: 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.