Avenge not yourselves, beloved, but give place unto the wrath (of God): for it is written, Vengeance belongeth unto me; I will recompense, saith the Lord.
For he that doeth wrong shall receive again for the wrong that he hath done: and there is no respect of persons.
and they cried with a great voice, saying, How long, O Master, the holy and true, dost thou not judge and avenge our blood on them that dwell on the earth?