95:1.2

But the custom of the early Adamite peoples in honoring the seventh day of the week never completely disappeared in Mesopotamia. Only, during the Melchizedek era, the seventh day was regarded as the worst of bad luck. It was taboo-ridden; it was unlawful to go on a journey, cook food, or make a fire on the evil seventh day. The Jews carried back to Palestine many of the Mesopotamian taboos which they had found resting on the Babylonian observance of the seventh day, the Shabattum.