“Is that the John Henry Newman that says Catholicism incorporates paganism?”
Did you exchange wedding rings with your spouse at your wedding? Exchange vows? Bride wore white? Bride had a bouquet?
If you did any of that, congratulations, you incorporated pagan practices into your life - probably into your religious life if it was a religious ceremony. And, if you did, then that means you might want to remove that beam from your eye.
What part of "thou shalt not do so unto the Lord your God" do you not get?
“We are told in various ways by Eusebius that Constantine, in order to recommend the new religion to the heathen transferred into it the outward ornaments to which they had been accustomed in their own. (Cardinal Newman, Developement of Christian Doctrine, pg 373)