Translation of the verse 41 from Surah Ash-Shura : Number of verses 53 - - page 487 - Part 25.
And indeed whosoever takes revenge after he has suffered wrong, for such there is no way (of blame) against them.
And whoever avenges himself after having been wronged - those have not upon them any cause [for blame].
(42:41) There is no blame against him who avenges himself after he has been wronged.