I’m hesitant to mention it here, but I also require students to have a Satanic Bible, so we can worship the devil during class changes.
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By law, your class is godlessly secular. When there is a God vacuum, Satan has an opportunity to rush in.
If you are sneaking in a God-centered worldview, then you are teaching the children that those who believe in God are sneaky.
There is NO possible way to resolve the conundrum between having either a godless or God-centered worldview in a classroom. There will be one or the other and **neither** is religiously neutral in content or consequences for the child and our continuing freedom as a nation,
My job is to teach math to young people. I try my hardest to do that while demonstrating a paternal-type love for my students. I encourage them to work hard in all their academic endeavors, to be kind to classmates and courteous to the people they see in our school, to dream beyond their mostly meager circumstances. If questioned about my spiritual beliefs, I refer them to their parent(s) for religious instruction and guidance, as that is where that discussion needs to take place.
I don't "sneak" anything in. The kids know I pray every morning during our moment of silence. I try to be a good male role model, because so many of my students don't have one, but formal religious instruction is not my job. Those are family concerns.
Do people in other professions use their position over subordinates to preach? Is it expected? Is a plumber a godless man if he fails to testify to the power of Christ before he fixes a leaky pipe?