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Revelation 5:9 (New International Version 1984, ©1984)

9 And they sang a new song:

   “You are worthy to take the scroll
   and to open its seals,
because you were slain,
   and with your blood you purchased men for God
   from every tribe and language and people and nation.

From BibleGateway.com: http://www.biblegateway.com/passage/?search=Revelation 5:9&version=NIV1984