לא יקרחה קרחה בראשם ופאת זקנם לא יגלחו ובבשרם לא ישרטו שרטת קדשים יהיו לאלקיהם
Horav Yehoshua Leib Diskin, zl, explains the continuity of these pesukim. The pagan priests of that day would mark their bodies to show their distinction from the average pagan. They cut their hair differently and made markings in their skin for all to see that they were priests. They did this because, in their basic rectitude and moral compass, no distinction existed between them and the average devotee who viewed them as spiritually elevated. Their lifestyle was as morally profligate as that of other idol worshippers. Thus, in order to garner respect from the populace, they required creative physical signs…