Hebrews 1:7, 14
New International Version (NIV)
1
7 In speaking of the angels he says,
.......“He makes his angels spirits,
............
and his servants flames of fire.”
14 Are not all angels ministering spirits sent to serve those who will inherit salvation?
From BibleGateway.com: http://www.biblegateway.com/passage/?search=Hebrews 1:7, 14&version=NIV
NIV®