First of all I don't desire to judge the hearts of others, I only want to follow my own conscience. I cannot judge the heart of those who celebrate Christmas. But as for my heart, I may be in the minority, but I know the origins of Christmas, that it was an excuse to continue Saturnalia and Brumalia. Since I know this I cannot in good conscious continue to celebrate Christmas because by doing so I would also be worshipping idols alongside with God and that obviously is wrong. So by indulging in this holiday I am doing what I know is a sin. So by following the actual biblical holidays I do so to honor God with all my heart, soul, mind strength, and not God and some idols. So is it then a sin to enlighten other believers to the origins of the church calendar and bring them over to my point of view?