Hebrews 1:7

⁷ καὶ πρὸς μὲν τοὺς ἀγγέλους λέγει Ὁ ποιῶν τοὺς ἀγγέλους αὐτοῦ πνεύματα, καὶ τοὺς λειτουργοὺς αὐτοῦ πυρὸς φλόγα·