If Christmas is pagan, should Christians be involved?

Should Christians get involved in supporting or celebrating Christmas? Have you ever heard that argument? Why in the world would Christians want to get involved in something that was really a “pagan holiday,” that we the Church co-opted? So for those critics, I have three points.
Number one: Do you give your kids birthday gifts? You celebrate your kids birthdays, why not celebrate the birth of the Savior? If we’re not going to do it now, when would you decide to do it? That would be a question.
Secondly, in 1st Corinthians 9:22, Paul says, “I became all things to all men, that by all means I may win some.” I can’t think of a time, and I doubt that you could think of a time in the year when there is more focus on the birth of Jesus Christ. Once a year, the world is confronted with the reality of His coming. And I think that’s great!
The third point is in Matthew 16:18,where Jesus said, “On this rock, I will build my church, and the gates of hell shall not prevail against it.” The idea is not that we are holding out against the world. The idea is that we are assaulting a world and they cannot overwhelm us. They cannot withstand the assault of the Church. The very fact that you and I are here, 2000 years after the coming of the Lord Jesus Christ, is evidence of that. The world has done everything it can to squash the message, destroy the Word, and intimidate believers. Yet, all around the world today there are those who are singing praise, spreading the Word and sharing the gospel of Jesus Christ. So, if we co-opt or take over Christmas, that’s what we’re supposed to do. We’re supposed to seize the gates of the enemy. This is why we’re here and why this season is so important.

Gene Cunningham - December 21, 1998

Upper Room Discourse #2

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Joh 13:1-3 what we know determines what we do. Joh 13:4-17 Jesus knew that disciples were out of fellowship (soul's were "dirty") cleansing was necessary, so washed their feet to teach them. He waited for Peter's permission (Joh 13:8). Attitude (pride or humble) --> Priority (spiritual or earthly) --> Decision (wise or foolish) --> Action (good or evil) --> Consequences (blessing or cursing). If you know and then do the things you are blessed (Joh 13:12-17). John reflects on fellowship and the upper room in 1Jo 1:5-10. We are self-deceived (1Jo 1:8). We need to be humble to realize we need His power (1Jo 1:9, Rom 7:24-25). When we humble ourselves His advocacy covers us (1Jo 2:1-2).

Scripture References: John 13:8, John 2:1-2, John 13:4-17, Romans 7:24-25, John 13:1-3, John 1:9, John 1:8, John 1:5-10, John 13:12-17