Exodus

Describes how Moses leads the Israelites out of Egypt and slavery, and how they receive laws from God.

Chapter 31

KJV - Exodus 31:16

Wherefore the children of Israel shall keep the sabbath, to observe the sabbath throughout their generations, for a perpetual covenant.

So, the Israeli children must follow the Sabbath rules forever, as part of an eternal agreement.

King James Version

Simple English

* work in progress, there will be mistakes