That foolish person is killed just like this monkey. The monkey's business was not to imitate the sawman, but he wanted to imitate. The result was that he was killed. So that is not expertness: 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.