Exodus 16:25
And Moses saith, 'Eat it to-day, for to-day is a sabbath to Jehovah; to-day ye find it not in the field:
Exodus 16:23
And he saith unto them, 'It is that which Jehovah hath spoken of; a rest -- a holy sabbath to Jehovah -- is to-morrow; that which ye bake, bake; and that which ye boil, boil; and all that is over, let rest for yourselves in charge till the morning.'
Exodus 16:29
see, because Jehovah hath given to you the sabbath, therefore He is giving to you on the sixth day bread of two days; abide ye each in his place, no one doth go out from his place on the seventh day.'
Nehemiah 9:14
And Thy holy sabbath Thou hast made known to them, and commands, and statutes, and law, Thou hast commanded for them, by the hand of Moses Thy servant;