Leviticus 16:31
A sabbath of rest shall it be unto you, and ye shall afflict your souls: it is an everlasting statute.
Leviticus 23:32
A sabbath of rest shall it be unto you; and ye shall afflict your souls. On the ninth of the month at even, from even unto even, shall ye celebrate your sabbath.
Isaiah 58:5
Is such the fast that I have chosen, a day for a man to afflict his soul, that he should bow down his head as a bulrush, and spread sackcloth and ashes under him? Wilt thou call this a fast, and a day acceptable to Jehovah?
Exodus 31:15
Six days shall work be done; but on the seventh day is the sabbath of rest, holy to Jehovah: whoever doeth work on the sabbath day shall certainly be put to death.
Exodus 35:2
Six days shall work be done, but on the seventh day there shall be to you a holy day, a sabbath of rest to Jehovah: whoever does work on it shall be put to death.
Leviticus 25:4
but in the seventh year shall be a sabbath of rest for the land, a sabbath to Jehovah. Thy field shalt thou not sow, and thy vineyard shalt thou not prune.
Isaiah 58:3
Wherefore have we fasted, and thou seest not; have afflicted our soul, and thou takest no knowledge? Behold, in the day of your fast ye find what pleaseth you, and exact all your labours.