Exodus 16:25
Moses said, "Eat that today, for today is a Sabbath to Yahweh. Today you shall not find it in the field.
Exodus 16:23
He said to them, "This is that which Yahweh has spoken, 'Tomorrow is a solemn rest, a holy Sabbath to Yahweh. Bake that which you want to bake, and boil that which you want to boil; and all that remains over lay up for yourselves to be kept until the morning.'"
Exodus 16:29
Behold, because Yahweh has given you the Sabbath, therefore he gives you on the sixth day the bread of two days. Everyone stay in his place. Let no one go out of his place on the seventh day."
Nehemiah 9:14
and made known to them your holy Sabbath, and commanded them commandments, and statutes, and a law, by Moses your servant,