Our Sages teach us that nothing happens without it being G-d's will.
Nothing is a coincidence.
Everything happens according to Divine plan. This weeks' sedraincorporates a message that has been ignored by past governments of Israel with tragic consequences for us. In addition, it was only after Aron had fulfilled this commandment he could then purify the Levites and initiate them into the service of G-d. The Sforno incorporates both of these Talmudic concepts in his commentary onthis verse. The central shaft of the menorah represents the Divine light.