והיה לכם לציצית וראיתם אותו וזכרתם את כל מצוות ד' ועשיתם אותם
We are to wear Tzitzis, so that when we look at them, we will remember all of the other mitzvos in the Torah. In other words, wearing Tzitzis generates mitzvah observance. “Seeing” catalyzes remembering, which engenders positive action via religious observance. Indeed, the Rambam writes that one should be diligent in his observance of Tzitzis, because of its compelling effect vis-à-vis all other mitzvos. In his commentary to the Chumash, Rashi writes: “The parsha of the mekosheish eitzim— he who had transgressed Shabbos by picking twigs and carrying them in a public place– is juxtaposed upon the parsha of avodah…