Leviticus 16:31
It is a Sabbath of solemn rest to you, and ye shall afflict your souls. It is a statute forever.
Leviticus 23:32
It shall be to you a Sabbath of solemn rest, and ye shall afflict your souls. In the ninth day of the month at evening, from evening to evening, ye shall keep your Sabbath.
Isaiah 58:5
Is such the fast that I have chosen, the day for a man to afflict his soul? Is it to bow down his head as a rush, and to spread sackcloth and ashes under him? Will thou call this a fast, and an acceptable day to LORD?
Exodus 31:15
Six days shall work be done, but on the seventh day is a Sabbath of solemn rest, holy to LORD. Whoever does any work on the Sabbath day, he shall surely be put to death.
Exodus 35:2
Six days work shall be done, but on the seventh day there shall be to you a holy day, a Sabbath of solemn rest to LORD. Whoever does any work in it shall be put to death.
Leviticus 25:4
but in the seventh year shall be a Sabbath of solemn rest for the land, a Sabbath to LORD. Thou shall neither sow thy field, nor prune thy vineyard.
Isaiah 58:3
Why have we fasted, [they say], and thou see not? We have afflicted our soul, and thou take no knowledge. Behold, in the day of your fast ye find pleasure, and exact from all your laborers.