Dressing in pure & modest ways is the light of HaShem(in Hebrew Modesty-"Tzanuah,"&'Pure'- "Toher),"Putting the Gematriah of these 2 words together we get 7-as is MaShiach 7.The light of HaShem's MaShiach & it's time is the light of pure modesty & humility with HaShem above us.HaShem is always there.As we'd dress for a king modestly & purely,how much more so before the King of Kings the Holy One Blessed Be He.