3 Bible Verses about Deception, Satan's Power

You belong to your father the devil, and you want to do what your father desires; he was a slayer of men from the very beginning, and he has no place in the truth because there is no truth in him: when he tells a lie, he is expressing his own nature, for he is a liar and the father of lies.

but I am afraid of your thoughts getting seduced from a single devotion to Christ, just as the serpent beguiled Eve with his cunning. You put up with it all right, when some interloper preaches a second Jesus (not the Jesus I preached), or when you are treated to a Spirit different from the Spirit you once received, and to a different gospel from what I gave you! Why not put up with me? I hold I am not one whit inferior to these precious 'apostles'!read more.
I am no speaker, perhaps, but knowledge I do possess; I never failed to make myself intelligible to you. But perhaps I did wrong in taking a humble place that you might have a high one ??I mean, in preaching the gospel of God to you for nothing! I made a levy on other churches, I took pay from them so as to minister to you; even when I ran short, during my stay with you, I was no encumbrance to anybody, for the brothers who came from Macedonia supplied my wants. Thus I kept myself, as I intend to keep myself, from being a burden to you in any way. By the truth of Christ within me, I am going to make this my pride and boast unchecked throughout the regions of Achaia! Why? Because I do not love you? God knows I do. No, I intend to go on as I am doing, in order to checkmate those who would fain make out that in the apostolate of which they boast they work on the same terms as I do. 'Apostles'? They are spurious apostles, false workmen ??they are masquerading as 'apostles of Christ.' No wonder they do, for Satan himself masquerades as an angel of light.

and with the full deceitfulness of evil for those who are doomed to perish, since they refuse to love the Truth that would save them.