2 Corinthians 11:14

And no wonder, for Satan himself disguises himself as an angel of light.

Genesis 3:1-5

Now the serpent was more crafty than any other {wild animal} which Yahweh God had made. He said to the woman, "Did God indeed say, 'You shall not eat from any tree in the garden'?"

2 Corinthians 2:11

in order that we may not be exploited by Satan (for we are not ignorant of his schemes).

2 Corinthians 11:3

But I am afraid lest somehow, as the serpent deceived Eve by his craftiness, your minds may be led astray from the sincerity and the purity of [devotion] to Christ.

Galatians 1:8

But even if we or an angel from heaven should proclaim a gospel to you contrary to what we proclaimed to you, let him be accursed!

Matthew 4:1-10

Then Jesus was led up into the wilderness by the Spirit to be tempted by the devil,

Revelation 12:9

And the great dragon was thrown down, the ancient serpent, who is called the devil and Satan, who deceives the whole world. He was thrown down to the earth, and his angels were thrown down with him.

Treasury of Scripture Knowledge

Summary

And no marvel; for Satan himself is transformed into an angel of light.

Bible References

For

2 Corinthians 11:3
But I am afraid lest somehow, as the serpent deceived Eve by his craftiness, your minds may be led astray from the sincerity and the purity of [devotion] to Christ.
2 Corinthians 2:11
in order that we may not be exploited by Satan (for we are not ignorant of his schemes).
Genesis 3:1
Now the serpent was more crafty than any other {wild animal} which Yahweh God had made. He said to the woman, "Did God indeed say, 'You shall not eat from any tree in the garden'?"
Matthew 4:1
Then Jesus was led up into the wilderness by the Spirit to be tempted by the devil,
Galatians 1:8
But even if we or an angel from heaven should proclaim a gospel to you contrary to what we proclaimed to you, let him be accursed!
Revelation 12:9
And the great dragon was thrown down, the ancient serpent, who is called the devil and Satan, who deceives the whole world. He was thrown down to the earth, and his angels were thrown down with him.

General references

Deuteronomy 13:2
and the sign or the wonder comes [about] that he spoke to you, {saying}, 'Let us go after other gods (those whom you have not known), and let us serve them,'
Proverbs 19:27
Cease to listen to instruction, my child, {and you will stray} from sayings of knowledge.
2 Corinthians 2:11
in order that we may not be exploited by Satan (for we are not ignorant of his schemes).