Hebrews 1:14 explains angels are ministering spirits, elaborating on their nature as winds and flames of fire described in verse 7.

Psalm 104:4 is the direct source quoted here — God makes His angels winds and ministers flames of fire.

Zechariah 6:5 calls the four chariots 'the four spirits/winds of heaven' — directly connecting angels to winds, just as here.

Psalm 103:21 calls angels 'ministers who do his will,' echoing Hebrews 1:7's description of angels as servants made wind and fire.

In 2 Kings 6:17, Elisha's servant sees angelic chariots of fire — a visible manifestation of God's fiery ministers, echoing the flame of fire here.

In Isaiah 6:2, seraphim (literally 'burning ones') are angelic beings characterized by fire, matching the flame of fire in this verse.

Ezekiel 1:13 describes the living creatures with appearance like burning coals of fire — angelic beings as fiery ministers, paralleling this verse.