1 Thessalonians 2:9 The coming [of the lawless one, the antichrist] is through the activity and working of Satan and will be attended by great power and with all sorts of [pretended] miracles and signs and delusive marvels—[all of them] lying wonders—
10 And by unlimited seduction to evil and with all wicked deception for those who are perishing (going to perdition) because they did not welcome the Truth but refused to love it that they might be saved.
11 Therefore God sends upon them a misleading influence, a working of error and a strong delusion to make them believe what is false,
12 In order that all may be judged and condemned who did not believe in [who refused to adhere to, trust in, and rely on] the Truth, but [instead] took pleasure in unrighteousness.
Read more at https://www.biblegateway.com/passage/?search=2+Thessalonians+2&version=AMP#oWyXvGDCGRJOybsL.99
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We see, in the very word of God, that satan will, in fact, do false miracles...and does so already. The 'satan casts out satan' is in reference to demonic possession and Jesus casting the demon out, not in regards to the verse above.
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Pulpit Commentary
Verse 9. - The apostle resumes his description of the man of sin. Even him; not in the original, but necessary for the sense. Whose coming.The use of the same term, parousia, employed to denote the coming of Christ exhibits the counterpart of the man of sin. Is after the working - according to the energy - of Satan. Satan is the agent who works in the man of sin; he being the organ or instrument of Satan. With all power and signs and lying wonders. The adjective "lying" ought to be rendered as a substantive, and applied to all three: "With all powers and signs and wonders of falsehood;" whose origin, nature, and purpose is falsehood. Here, also, the counterpart to Christ is manifest; for the same terms - "powers," "signs," and "wonders," are employed to denote his miracles (Acts 2:22; Hebrews 2:4). The miracles of Christ were miracles of truth; the miracles of the man of sin would be miracles of falsehood. There does not seem to be any essential difference between powers, signs, and wonders; but the words are employed as a mere rhetorical enumeration. It is not to be supposed that the man of sin will be enabled to perform real miracles; they are the wonders of falsehood; but still by them his followers will be deceived (comp.Matthew 24:24). (source: 2 Thessalonians 2:9 The coming of the lawless one will be in accordance with how Satan works. He will use all sorts of displays of power through signs and wonders that serve the lie,)
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Matthew 12:22 Then a blind and dumb man under the power of a demon was brought to Jesus, and He cured him, so that the blind and dumb man both spoke and saw.23 And all the [crowds of] people were stunned with bewildered wonder and said, This cannot be the Son of David, can it?
24 But the Pharisees, hearing it, said, This [i]Man drives out demons only by and with the help of Beelzebub, the prince of demons.
25 And knowing their thoughts, He said to them, Any kingdom that is divided against itself is being brought to desolation and laid waste, and no city or house divided against itself will last or continue to stand.
26 And if Satan drives out Satan, he has become divided against himself and disunified; how then will his kingdom last or continue to stand?
27 And if I drive out the demons by [help of] Beelzebub, by whose [help] do your sons drive them out? [j]For this reason they shall be your judges.
28 But if it is by the Spirit of God that I drive out the demons, then the kingdom of God has come upon you [[k]before you expected it].
Read more at https://www.biblegateway.com/passage/?search=Matthew+12&version=AMP#L2gs5PoHpEWqcdJj.99
10 And by unlimited seduction to evil and with all wicked deception for those who are perishing (going to perdition) because they did not welcome the Truth but refused to love it that they might be saved.
11 Therefore God sends upon them a misleading influence, a working of error and a strong delusion to make them believe what is false,
12 In order that all may be judged and condemned who did not believe in [who refused to adhere to, trust in, and rely on] the Truth, but [instead] took pleasure in unrighteousness.
Read more at https://www.biblegateway.com/passage/?search=2+Thessalonians+2&version=AMP#oWyXvGDCGRJOybsL.99
..
We see, in the very word of God, that satan will, in fact, do false miracles...and does so already. The 'satan casts out satan' is in reference to demonic possession and Jesus casting the demon out, not in regards to the verse above.
..
Pulpit Commentary
Verse 9. - The apostle resumes his description of the man of sin. Even him; not in the original, but necessary for the sense. Whose coming.The use of the same term, parousia, employed to denote the coming of Christ exhibits the counterpart of the man of sin. Is after the working - according to the energy - of Satan. Satan is the agent who works in the man of sin; he being the organ or instrument of Satan. With all power and signs and lying wonders. The adjective "lying" ought to be rendered as a substantive, and applied to all three: "With all powers and signs and wonders of falsehood;" whose origin, nature, and purpose is falsehood. Here, also, the counterpart to Christ is manifest; for the same terms - "powers," "signs," and "wonders," are employed to denote his miracles (Acts 2:22; Hebrews 2:4). The miracles of Christ were miracles of truth; the miracles of the man of sin would be miracles of falsehood. There does not seem to be any essential difference between powers, signs, and wonders; but the words are employed as a mere rhetorical enumeration. It is not to be supposed that the man of sin will be enabled to perform real miracles; they are the wonders of falsehood; but still by them his followers will be deceived (comp.Matthew 24:24). (source: 2 Thessalonians 2:9 The coming of the lawless one will be in accordance with how Satan works. He will use all sorts of displays of power through signs and wonders that serve the lie,)
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Matthew 12:22 Then a blind and dumb man under the power of a demon was brought to Jesus, and He cured him, so that the blind and dumb man both spoke and saw.23 And all the [crowds of] people were stunned with bewildered wonder and said, This cannot be the Son of David, can it?
24 But the Pharisees, hearing it, said, This [i]Man drives out demons only by and with the help of Beelzebub, the prince of demons.
25 And knowing their thoughts, He said to them, Any kingdom that is divided against itself is being brought to desolation and laid waste, and no city or house divided against itself will last or continue to stand.
26 And if Satan drives out Satan, he has become divided against himself and disunified; how then will his kingdom last or continue to stand?
27 And if I drive out the demons by [help of] Beelzebub, by whose [help] do your sons drive them out? [j]For this reason they shall be your judges.
28 But if it is by the Spirit of God that I drive out the demons, then the kingdom of God has come upon you [[k]before you expected it].
Read more at https://www.biblegateway.com/passage/?search=Matthew+12&version=AMP#L2gs5PoHpEWqcdJj.99