Leviticus 16:31

It shall be a sabbath of rest unto you, and you shall humble yourselves, by a statute forever.

Leviticus 23:32

It shall be unto you a sabbath of rest, and you shall humble yourselves: in the ninth day of the month at evening, from evening unto evening, shall you celebrate your sabbath.

Isaiah 58:5

Is it such a fast that I have chosen? a day for a man to afflict his soul? is it to bow down his head as a bulrush, and to spread sackcloth and ashes under him? will you call this a fast, and an acceptable day to the LORD?

Exodus 31:15

Six days may work be done; but on the seventh is the sabbath of rest, holy to the LORD: whosoever does any work on the sabbath day, he shall surely be put to death.

Exodus 35:2

Six days shall work be done, but on the seventh day it shall be to you a holy day, a sabbath of rest to the LORD: whosoever does work on it shall be put to death.

Leviticus 25:4

But in the seventh year shall be a sabbath of rest unto the land, a sabbath for the LORD: you shall neither sow your field, nor prune your vineyard.

Isaiah 58:3

Why have we fasted, they say, and you see not? why have we afflicted our soul, and you take no knowledge? Behold, in the day of your fast you find pleasure, and exploit all your laborers.

Treasury of Scripture Knowledge

Summary

It shall be a sabbath of rest unto you, and ye shall afflict your souls, by a statute for ever.

Bible References

General references

Leviticus 23:32
It shall be unto you a sabbath of rest, and you shall humble yourselves: in the ninth day of the month at evening, from evening unto evening, shall you celebrate your sabbath.
Leviticus 25:4
But in the seventh year shall be a sabbath of rest unto the land, a sabbath for the LORD: you shall neither sow your field, nor prune your vineyard.
Exodus 31:15
Six days may work be done; but on the seventh is the sabbath of rest, holy to the LORD: whosoever does any work on the sabbath day, he shall surely be put to death.
Exodus 35:2
Six days shall work be done, but on the seventh day it shall be to you a holy day, a sabbath of rest to the LORD: whosoever does work on it shall be put to death.