Leviticus 16:31 in the King James Version
It shall be a sabbath of rest unto you, and ye shall afflict your souls, by a statute for ever.
Context
30 for on this day shall atonement be made for you, to cleanse you. You shall be clean from all your sins before the LORD.
31 It is a Sabbath of solemn rest to you, and you shall afflict your souls. It is a statute forever.
32 The priest, who is anointed and who is consecrated to be priest in his father’s place, shall make the atonement, and shall put on the linen garments, even the holy garments.