Thus the heavens and the earth were completed, and all their hosts. By the seventh day God completed 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 2.1-3

Remember the Sabbath day, to keep it holy. Six days you shall labor, and do all your work, but the seventh day is a Sabbath to Adonai your Elohim. On it you shall not do any work, you, or your son, or your daughter, your male servant, or your female servant, or your livestock, or the sojourner who is within your gates. For in six days Adonai made heaven and earth, the sea, and all that is in them, and rested on the seventh day. Therefore Adonai blessed the Sabbath day and made it holy.
~ Exodus 20.8-11

And He came to Nazareth, where He had been brought up. And as was His custom, He went to the synagogue on the Sabbath day, and He stood up to read.
~ Luke 4:16