There is a luxury in self-reproach. When we blame ourselves we feel no one else has a right to blame us.
Source: The Picture of Dorian Gray, ch. 8 (1891).
-- Oscar Wilde, (Oct 16 1856-1900), Anglo-Irish playwright, novelist; He was noted for his flamboyant witty, sophisticated plays, e.g., The Importance of Being Ernest, 1895.