The priest should wear royal vestments, because he is like a king to the faithful, with whom he deals according to My Will. I provide His dignity. His authority comes from Me. He represents mankind before My eyes, so he should be decently dressed in order to show Me respect when he approaches Me. He not only comes to the prayer in which he apologizes to Me for your sins, but he takes part in the Sacrifice of My Son and touches God Himself; he does not just dwell in God’s spiritual presence, as it was in the times of Moses. In addition, the priest represents Me and speaks on My behalf. He is the visible face of God, of His truth and His grace, for the faithful. The royal vestments were supposed to highlight the authority of the king over his subjects, over their life and death, and over their future fate; the authority that the king received from God. Yet, the priest is a ruler appointed by Me forever, not only for a certain time. He also has the authority to rule over the eternal life and death of souls, not only over their temporal life. (…)
The priest is My property and if he renounces his dignity, pretending that he does not belong to Me, but to the world, he has already been defeated in his heart and is a coward. By offering the priest daily clothes distinguishing him from all people on Earth, I singled him out in grace and showed to the world that he is no longer from the world, but belongs to the kingdom of My Spirit. And to touch him in any way is equivalent to touching the Holiness, which I am in him.
(…) the lack of priestly vestments and their negligence by priests is already a lack of faith, which I have announced to you while still stepping on the Earth in My Son.
Translated from : Orędza na Czasy Ostateczne, które własnie nadeszły, t. 29, Grzechynia 2017