Therefore submit to God. Resist the devil and he will flee from you.
1 John 4: 4
You are of God, little children, and have overcome them, because He who is in you is greater than he who is in the world.
Eph 6: 10 - 12
Finally, my brethren, be strong in the Lord and in the power of His might. 11 Put on the whole armor of God, that you may be able to stand against the wiles of the devil. 12 For we do not wrestle against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this age, against spiritual hosts of wickedness in the heavenly places.
1 Tim 6: 12
Fight the good fight of faith, lay hold on eternal life, to which you were also called and have confessed the good confession in the presence of many witnesses.
Eph 4: 27
Nor give place to the devil.
Mat 17: 19 - 21
Then the disciples came to Jesus privately and said, "Why could we not cast it out?" 20 So Jesus said to them, "Because of your unbelief; for assuredly, I say to you, if you have faith as a mustard seed, you will say to this mountain, 'Move from here to there,' and it will move; and nothing will be impossible for you. 21 However, this kind does not go out except by prayer and fasting."
2 Cor 10: 4, 5
For the weapons of our warfare are not carnal but mighty in God for pulling down strongholds, 5 casting down arguments and every high thing that exalts itself against the knowledge of God, bringing every thought into captivity to the obedience of Christ.
1 Pet 5: 8, 9
Be sober, be vigilant; because your adversary the devil walks about like a roaring lion, seeking whom he may devour. 9 Resist him, steadfast in the faith, knowing that the same sufferings are experienced by your brotherhood in the world.
2 Tim 4: 18
And the Lord will deliver me from every evil work and preserve me for His heavenly kingdom. To Him be glory forever and ever. Amen!
1 John 3: 8 b
For this purpose the Son of God was manifested, that He might destroy the works of the devil.
Col 1: 13
He has delivered us from the power of darkness and conveyed us into the kingdom of the Son of His love.
Mark 9:29
So He said to them, "This kind can come out by nothing but prayer and fasting."