Daniel 7:25 KJV And he shall speak great words against the most High, and shall wear out the saints of the most High, and think to change times and laws: and they shall be given into his hand until a time and times and the dividing of time.
So why would the beast want to change times and laws? To keep us from the Holy Days of our Lord.
Leviticus 23:3 KJV Six days shall work be done: but the seventh day is the sabbath of rest, an holy convocation; ye shall do no work therein: it is the sabbath of the LORD in all your dwellings.
The seventh day of the week is Saturday. And, according to the times set by our Lord, it begins on Friday at sunset. Nothing in the scriptures points to a midnight start of the day. There is nothing Holy about Sun Day.
Matthew 28:1 KJV In the end of the sabbath, as it began to dawn toward the first day of the week, came Mary Magdalene and the other Mary to see the sepulchre. 6 He is not here: for he is risen, as he said. Come, see the place where the Lord lay.
We are so far removed from the times and laws of our One True God that people look at this scripture and believe the Sabbath to be Sun Day, a pagan roman day of the week worshipped by the heretics that rule over us.
Matthew 24:24 KJV For there shall arise false Christs, and false prophets, and shall shew great signs and wonders; insomuch that, if it were possible, they shall deceive the very elect.
I was once deceived, believing the Birthday of Christ to be 12/25. Now I know that 12/25 is saturnalia, a pagan sun worshipping holiday. What else do we not know because we just trust in these adherents of satan? Look at what they’ve done recently with BC/AD being perverted into bce/ace.
And why does it matter? For the same reason the doctrines of men and their false religions keep you from a personal relationship with your Lord and Savior, Jesus Christ. These things are the very definition of the antichrist.
One good example out of the many I could choose from; How many of us keep the Passover? Christ did not do away with the Passover, He observed it with the disciples as the Last Supper. He changed the Sacraments of it from the blood of the lamb to His Blood, the wine. This should be one of our Holy Days but we’ve been led away from it. By evil.
When are going to take our times and laws back, away from the evil ones? We give them this power over us, how can expect anything else but the evils that they currently perpetrate upon us?
https://www.biblegateway.com/passage/?search=2%20Thessalonians%202&version=NIV
Paul asserts many things in his letters to the churches, but one most important to your point is that we are constantly to be aware and looking for the Lawless One, because the End Times are not here until he is unleashed. However, Paul also makes it clear that Satan is working constantly in his evil ways all the time, using the same strategies and methods that the Lawless One will eventually employ. In other words, as you said, these evil things will happen. But, careful only to assert them as evil, and not the End Times or the Anti Christ.
Resist anything and everything that attempts to replace God in your life. The Lord of Lords is your guiding light and top priority in all things, and only He is deserving of worship.
2 Thessalonians 3 goes on with how to deal with those who don't stand firm and become idle in their faith, allowing something else to take that top priority spot. The summary is to rebuke the evil they've taken in, allow yourself to have no debt to them, and then distance yourself so the Spirit can recapture their hearts. They are misled, not enemies. https://www.biblegateway.com/passage/?search=2%20Thessalonians%203&version=NIV
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