2 Corinthians 11:14

And no marvel, for even Satan disguises himself into an agent of light.

Genesis 3:1-5

Now the serpent was more cunning than any beast of the field which LORD God had made. And he said to the woman, Yea, has God said, Ye shall not eat of any tree of the garden?

2 Corinthians 2:11

so that we may not be exploited by Satan. For we are not ignorant of his methods.

2 Corinthians 11:3

But I fear lest somehow, as the serpent enticed Eve by his craftiness, so your thoughts might be corrupted from the simplicity in the Christ.

Galatians 1:8

But even if we, or an agent from heaven, should preach a good-news to you contrary to what we preached to you, let him be accursed.

Matthew 4:1-10

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

Revelation 12:9

And the great dragon was cast out, the ancient serpent, called the Devil and Satan, he who leads the whole world astray. He was cast out to the earth, and his agents were cast out 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 fear lest somehow, as the serpent enticed Eve by his craftiness, so your thoughts might be corrupted from the simplicity in the Christ.
2 Corinthians 2:11
so that we may not be exploited by Satan. For we are not ignorant of his methods.
Genesis 3:1
Now the serpent was more cunning than any beast of the field which LORD God had made. And he said to the woman, Yea, has God said, Ye shall not eat of any tree of the garden?
Matthew 4:1
Then Jesus was led by the Spirit into the wilderness to be tempted by the devil.
Galatians 1:8
But even if we, or an agent from heaven, should preach a good-news to you contrary to what we preached to you, let him be accursed.
Revelation 12:9
And the great dragon was cast out, the ancient serpent, called the Devil and Satan, he who leads the whole world astray. He was cast out to the earth, and his agents were cast out with him.

General references

Deuteronomy 13:2
and the sign or the wonder comes to pass, of which he spoke to thee, saying, Let us go after other gods, which thou have not known, and let us serve them,
Proverbs 19:27
To err from the words of knowledge, cease, my son, to hear instruction.
2 Corinthians 2:11
so that we may not be exploited by Satan. For we are not ignorant of his methods.