When Moses related God's instructions to the Children of Israel after coming down from Mount Sinai, it seems he added a commandment that was not given to him on top of the mountain: "You shall kindle no fire in all your dwelling places on the Sabbath day." Was this really from God? Find out more in our 5 Minute Torah commentary on Parashat Vayakhel-Pekudei (Exodus 35:1 - 40:38).