Mizmor 95, the introductory Mizmor to Kabalat Shabbat, combines the universal desire to praise God, with God's demand for reciprocity from His Nation in keeping His commandments. This mirrors the desire for spirituality on Shabbat with the rigorous demands of keeping Shabbat.

Courtesy of the Virtual Beit Midrash, Yeshivat Har Etzion