Exodus 20:8-11 KJV
God created the earth in six days and rested on the seventh. Do your work in six days and on the seventh day rest- Exodus 23:12. And here are a few verses on rest:
Psalms 55:6 And I say, “Oh, that I had wings like a dove! I would fly away and be at rest
Isaiah 14:3-4 When the LORD has given you rest from your pain and turmoil and the hard service with which you were made to serve, you will take up this taunt against the king of Babylon: ”How the oppressor has ceased, the insolent fury ceased!