By Rabbi Berach Steinfeld                  The posuk in Bamidbar 10:10 says, “On the day of happiness, they should blow the trumpets in the Mishkan.” The Sifri explains this posuk to be referring to Shabbos.  The Zohar says that a person is happy on Shabbos by eating three meals. The Bais Yosef in Orach Chaim 281 brings in the name of the Shibolei Haleket that the reason we say Yismechu Bemalchuscha in Shemoneh Esrei on Shabbos is based on the above posuk that the day of […]