Exodus 16:29
29 See! The Lord has given you the Sabbath; therefore on the sixth day he gives you bread for two days. Remain each of you in his place; let no one go out of his place on the seventh day.”
Exodus 35:3
3 dYou shall kindle no fire in all your dwelling places on the Sabbath day.”
Deuteronomy 5:14
14 but ethe seventh day is a Sabbath to the Lord your God. On it you shall not do any work, you or your son or your daughter or your male servant or your female servant, or your ox or your donkey or any of your livestock, or the sojourner who is within your gates, fthat your male servant and your female servant may rest as well as you.