“And on the seventh day God ended His work which He had done, and He rested on the seventh day from all His work which He had done. Then God blessed the seventh day and sanctified it, because in it He rested from all His work which God had created and made.”
Genesis 2:2-3
God’s Commandment Number 4:
“Remember the Sabbath day, to keep it holy.”
Exodus 20:8
“For the Son of Man is Lord even of the Sabbath.”
Jesus
Matthew 12:8
“And He said to them, “The Sabbath was made for man, and not man for the Sabbath.”