Matthew 24:43
But understand this: If the homeowner had known in which watch of the night the thief was coming, he would have kept watch and would not have let his house be broken into.

1 Peter 5:8
Be sober-minded and alert. Your adversary the devil prowls around like a roaring lion, seeking someone to devour.

2 Corinthians 11:13-15
For such men are false apostles, deceitful workers, masquerading as apostles of Christ. / And no wonder, for Satan himself masquerades as an angel of light. / It is not surprising, then, if his servants masquerade as servants of righteousness. Their end will correspond to their actions.

2 Thessalonians 2:9-10
The coming of the lawless one will be accompanied by the working of Satan, with every kind of power, sign, and false wonder, / and with every wicked deception directed against those who are perishing, because they refused the love of the truth that would have saved them.

John 10:10
The thief comes only to steal and kill and destroy. I have come that they may have life, and have it in all its fullness.

1 John 3:8
The one who practices sin is of the devil, because the devil has been sinning from the very start. This is why the Son of God was revealed, to destroy the works of the devil.

Acts 20:29-30
I know that after my departure, savage wolves will come in among you and will not spare the flock. / Even from your own number, men will rise up and distort the truth to draw away disciples after them.

2 Timothy 3:13
while evil men and imposters go from bad to worse, deceiving and being deceived.

Revelation 12:9
And the great dragon was hurled down—that ancient serpent called the devil and Satan, the deceiver of the whole world. He was hurled to the earth, and his angels with him.

Revelation 20:8
and will go out to deceive the nations in the four corners of the earth—Gog and Magog—to assemble them for battle. Their number is like the sand of the seashore.

Genesis 3:1-6
Now the serpent was more crafty than any beast of the field that the LORD God had made. And he said to the woman, “Did God really say, ‘You must not eat from any tree in the garden?’” / The woman answered the serpent, “We may eat the fruit of the trees of the garden, / but about the fruit of the tree in the middle of the garden, God has said, ‘You must not eat of it or touch it, or you will die.’” ...

Job 1:6-7
One day the sons of God came to present themselves before the LORD, and Satan also came with them. / “Where have you come from?” said the LORD to Satan. “From roaming through the earth,” he replied, “and walking back and forth in it.”

Zechariah 3:1-2
Then the angel showed me Joshua the high priest standing before the angel of the LORD, with Satan standing at his right hand to accuse him. / And the LORD said to Satan: “The LORD rebukes you, Satan! Indeed, the LORD, who has chosen Jerusalem, rebukes you! Is not this man a firebrand snatched from the fire?”

Isaiah 14:12-15
How you have fallen from heaven, O day star, son of the dawn! You have been cut down to the ground, O destroyer of nations. / You said in your heart: “I will ascend to the heavens; I will raise my throne above the stars of God. I will sit on the mount of assembly, in the far reaches of the north. / I will ascend above the tops of the clouds; I will make myself like the Most High.” ...

Ezekiel 28:14-17
You were anointed as a guardian cherub, for I had ordained you. You were on the holy mountain of God; you walked among the fiery stones. / From the day you were created you were blameless in your ways—until wickedness was found in you. / By the vastness of your trade, you were filled with violence, and you sinned. So I drove you in disgrace from the mountain of God, and I banished you, O guardian cherub, from among the fiery stones. ...