ושמתם את דברי אלה על לבבכם
Rashi comments that, even after Klal Yisrael has been exiled, they should distinguish themselves through the performance of mitzvos. For example: put on Tefillin; make mezuzos, so that, when we ultimately return from exile, these mitzvos (and others) should not be new to us. Throughout our tumultuous journey in exile, we have confronted oppression and degradation with pride in the practice of mitzvos. Our perseverance and fidelity to Hashem have provided continuity, identity and a connection to the traditions that prevailed in various Jewish communities. We distinguished ourselves through our religious values which we maintained regardless of the challenging circumstances…