Numbers 15:32
Now while the Israelites were in the wilderness, they found a man who was gathering wood on the Sabbath day.
Exodus 35:2-3
“For six days work may be done, but the seventh day shall be a holy day for you, a Sabbath of complete rest to the Lord; whoever does any kind of work on that day shall be put to death.
Exodus 16:23
He said to them, “This is what the Lord has said: ‘Tomorrow is a solemn rest, a holy Sabbath to the Lord’; bake and boil what you will bake and boil [today], and all that remains left over put aside for yourselves to keep until morning.”
Exodus 16:27-28
Now on the seventh day some of the people went out to gather, but they found none.
Exodus 20:8-10
“Remember the Sabbath (seventh) day to keep it holy (set apart, dedicated to God).
Exodus 31:14-15
Therefore, you shall keep the Sabbath, for it is holy to you. Everyone who profanes it must be put to death; for whoever does work on the Sabbath, that person (soul) shall be cut off from among his people [excluding him from the atonement made for them].