אלה פקודי המשכן משכן העדת
Rashi comments that, since Hashem’s Presence was upon the Mishkan, it attested to the fact that He had forgiven the sin of the Golden Calf. (Otherwise, why would the Divine Presence be connected with the Mishkan?) It would appear from Rashi that the purpose of the Mishkan was as testimony to the world that Hashem had forgiven Klal Yisrael’s sin. In Parashas Terumah, however, the stated reason for the Mishkan is hashroas HaShechinah, the Divine Presence resting among us. We sinned – repented and were (to an extent) forgiven. The fact that the Mishkan is among us is proof that…