(Rev 12:17 NIV) "Then the dragon was enraged at the woman and went off to make war against the rest of her offspring--those who obey God's commandments and hold to the testimony of Jesus."
During the Dark Ages - tradition and superstition often replaced Bible truths as
very few had access to the scriptures. Those that spoke against the teachings of
the church were labeled heretics and persecuted or even killed. Satan didn’t want
Bible truths to be taught.