והכהן המשיח תחתיו מבניו יעשה אותה חק עולם
The Kohen Gadol offers a minchas chavitin, meal offering, repeatedly baked every day of his tenure. This is his inaugural korban on the day that he becomes Kohen Gadol and continues throughout the period that he serves. It is almost as if every day is a new day of service; as if he is inaugurated anew every day. Horav Moshe Feinstein, zl, explains that the Kohen Gadol must be infused with the knowledge that his position is a Heavenly gift that Hashem renews daily, which He can, just as easily, take away. (Hashem can strike him with a mum, physical…
