Submit yourselves therefore to God. Resist the devil, and he will flee from you.
1 John 4: 4
Ye are of God, little children, and have overcome them: because greater is he that is in you, than he that 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 armour of God, that ye may be able to stand against the wiles of the devil. 12 For we wrestle not against flesh and blood, but against principalities, against powers, against the rulers of the darkness of this world, against spiritual wickedness in high places.
1 Tim 6: 12
Fight the good fight of faith, lay hold on eternal life, whereunto thou art also called, and hast professed a good profession before many witnesses.
Eph 4: 27
Neither give place to the devil.
Mat 17: 19 - 21
Then came the disciples to Jesus apart, and said, Why could not we cast him out? 20 And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you. 21 Howbeit this kind goeth not out but by prayer and fasting.
2 Cor 10: 4, 5
For the weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds; 5 Casting down imaginations, and every high thing that exalteth itself against the knowledge of God, and bringing into captivity every thought to the obedience of Christ;
1 Pet 5: 8, 9
Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour: 9 Whom resist stedfast in the faith, knowing that the same afflictions are accomplished in your brethren that are in the world.
2 Tim 4: 18
And the Lord shall deliver me from every evil work, and will preserve me unto his heavenly kingdom: to whom be glory for ever 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
Who hath delivered us from the power of darkness, and hath translated us into the kingdom of his dear Son:
Mark 9:29
And he said unto them, This kind can come forth by nothing, but by prayer and fasting.
