2 Corinthians 11:14

καὶ οὐ θαῦμα κ. τ. λ.: and no marvel; for even Satan fashioneth himself into an angel of light. Light is the symbol of God (1 John 1:5; 1 Timothy 6:16) and His messengers (Matthew 28:3; Acts 12:7), as darkness is the symbol of Satan (Luke 22:53; Ephesians 6:12; Colossians 1:13). The μετασχηματισμός of Satan has just before been in the Apostle's mind (2 Corinthians 11:3), and perhaps such passages as Genesis 3:1; Job 1:6; 1 Kings 22:19-23 sufficiently account for the image. But it is more probable that some Rabbinical tradition lies behind the word used by St. Paul; cf. Apoc. Moysis (2 Corinthians 11:17) τότε ὁ σατανᾶς ἐγένετο ἐν εἴδει ἀγγέλου. A reference has been here found by Ewald to Matthew 4:1-2, but while it is not improbable that the Apostle had heard the story of the Lord's Temptation, there is no clear trace of it in his Epistles.