According to this passage, the Israelites were ordered to rest on the seventh day because God rested on the seventh day after his six days of Creation.
Iwu ahụ enyere Israel ka ha debe ụbọchị nke asaa dị nsọ bụ icheta na Chineke zuru ike n'ụbọchị nke asaa site na okike ya na ọlụ ya.