Exodus 34:21
Six days thou shalt work, but on the seventh day thou shalt rest: in earing time and in harvest thou shalt rest.
Cross-reference
Exodus 20:9-11 is the original Sabbath command in the Ten Commandments; this verse reiterates it.
Exodus 23:12 also commands Sabbath rest, including rest for animals; same law restated.
Exodus 35:2 repeats the Sabbath law with emphasis on holy rest; direct parallel.
Exodus 20:10 is the Decalogue's Sabbath commandment, directly paralleling the rest command here.
Exodus 31:15 repeats the Sabbath command with solemn rest, reinforcing the same rule given here.
Deuteronomy 5:12-15 gives the Sabbath command with a reason from Egypt; consistent with this verse.
Luke 23:56 records women resting on the Sabbath in obedience to the commandment.
Genesis 2:3 records God's rest on the seventh day, the foundation for the Sabbath command reiterated here.
Leviticus 23:3 reiterates the Sabbath as a holy convocation, parallel to the rest command here.
Nehemiah 13:15 records people working in harvest on the Sabbath, the very violation this verse forbids.
1 Samuel 8:12 mentions plowing and harvesting as forced labor under a king, the same labors God commands to cease here.
Luke 13:14 shows a synagogue leader criticizing healing on the Sabbath—a stricter interpretation.