Exodus 16:5
On the sixth day they will prepare what they bring in, and it will be twice as much as they gather every other day."
Exodus 16:22-23
And on the sixth day they gathered twice as much food, two omers per person; and all the leaders of the community came and told Moses.
Exodus 35:2-3
In six days work may be done, but on the seventh day there must be a holy day for you, a Sabbath of complete rest to the Lord. Anyone who does work on it will be put to death.
Leviticus 25:21-22
I will command my blessing for you in the sixth year so that it may yield the produce for three years,