Submit therefore to God. Resist the devil and he will flee from you.
1 John 4: 4
You are from God, little children, and have overcome them; because greater is He who is in you than he who is in the world.
Eph 6: 10 - 12
Finally, be strong in the Lord and in the strength of His might. 11 Put on the full armor of God, so that you will be able to stand firm against the schemes of the devil. 12 For our struggle is not against flesh and blood, but against the rulers, against the powers, against the world forces of this darkness, against the spiritual forces of wickedness in the heavenly places.
1 Tim 6: 12
Fight the good fight of faith; take hold of the eternal life to which you were called, and you made the good confession in the presence of many witnesses.
Eph 4: 27
And do not give the devil an opportunity.
Mat 17: 19 - 21
Then the disciples came to Jesus privately and said, "Why could we not drive it out?" 20 And He said to them, "Because of the littleness of your faith; for truly I say to you, if you have faith the size of a mustard seed, you will say to this mountain, 'Move from here to there,' and it will move; and nothing will be impossible to you. 21 But this kind does not go out except by prayer and fasting."
2 Cor 10: 4, 5
For the weapons of our warfare are not of the flesh, but divinely powerful for the destruction of fortresses. 5 We are destroying speculations and every lofty thing raised up against the knowledge of God, and we are taking every thought captive to the obedience of Christ.
1 Pet 5: 8, 9
Be of sober spirit, be on the alert. Your adversary, the devil, prowls around like a roaring lion, seeking someone to devour. 9 But resist him, firm in your faith, knowing that the same experiences of suffering are being accomplished by your brethren who are in the world.
2 Tim 4: 18
The Lord will rescue me from every evil deed, and will bring me safely to His heavenly kingdom; to Him be the glory forever and ever. Amen.
1 John 3: 8 b
The Son of God appeared for this purpose, to destroy the works of the devil.
Col 1: 13
For He rescued us from the domain of darkness, and transferred us to the kingdom of His beloved Son.
Mark 9:29
And He said to them, "This kind cannot come out by anything but prayer." (Some manuscripts add and fasting)