In this week’s Parsha (Tzav 6:2), when Hashem told Moshe to give instructions to Aharon regarding the Olah (daily burnt offering), the Passuk uses the term Tzav, which means “Command”. Rashi explains that the term Tzav also implies to urge (since the sacrifice involved a monetary loss).
The instructions included also the preparations for the Korban (such as the logs, fire, removing the ash and the Kohein changing his garments).
Since the word Tzav is used as an introduction to the whole section, it can be said that we derive from this a lesson regarding performing all mitzvos with zrizus (alacrity): While we already have a principle זריזין מקדימים למצוות those who are vigilant, are early with the performance of Mitzvos (Talmud, Pesachim 4a), we should act with urgency not only for the actual Mitzvah, but also for the preparatory steps.
For example, the mitzvah of Tzedaka (and especially maos chitim, providing the Pesach needs for the needy), which is a general Mitzvah that carries value equal to all the other Mitzvos, should be done with zrizus, not only in regards to the actual giving of Tzedaka, but also in regards to the discussion to accept a good resolution to give Tzedaka (even if the actual giving can only be done at a later time).
We should also complete our actions and services which includes the demand “ad mosai (until when)?!” as well with the proclamation “yechi hamelech” (Live, the King)” Dovid Malka Meshicha (Dovid the King Moshiach) with the greatest zrizus, connected with joy and vitality, which will achieve that Hashem should speed up the Geula, with the greatest zrizus, as Hashem is also referred to as a Kohein, and Kohanim have the advantage of zrizus, immediately, and “He won’t hold us back (even for as little as) an eyeblink”.