ועשית בגדי קדוש לאהרן אחיך לכבוד ולתפארת
When the Kohanim performed the avodah, service, in the Mishkan/Beis Hamikdash, they had to wear special vestments; otherwise the service was considered to be invalid. The commentators explain that the special nature of these vestments served as a medium for setting the Kohanim apart from the people when they performed the service. They were Kohanim on a mission to act as agents of the people in performing the Temple service. As such, they had to be devout, maintaining an exalted spiritual level, replete with exemplary moral and ethical standards – as evinced by their total demeanor. The unique nature and…