ושמת את שתי האבנים על כתפת האפד אבני זכרון לבני ישראל ונשא אהרן את שמותם לפני ד' על שתי כתפיו לזכרון
Twice remembrance. The remembrance is for Hashem – not Aharon HaKohen. Chazal say (Midrash Rabbah 38:8) that the names of the Shevatim, tribes, which are engraved upon the stones of the Eiphod, cannot be the subject of the remembrance. (They probably are not being remembered.) Remembrance is a term that applies to a subject that either is not here or is not presently visible. Since the names of the tribes are visible, the term remembrance is not applicable to them (in this context); rather, by seeing the names of the tribes, Hashem acknowledges their tzidkus, righteousness. What is their righteousness?…