Isaiah 58:3
"Wherefore have we fasted, say they, and thou seest not? wherefore have we afflicted our soul, and thou takest no knowledge? Behold, in the day of your fast ye find pleasure, and exact all your labours."
Cross References (ranked by relevance)
Ye have said, It is vain to serve God: and what profit is it that we have kept his ordinance, and that we have walked mournfully before the LORD of hosts?
He that turneth away his ear from hearing the law, even his prayer shall be abomination.
And this shall be a statute for ever unto you: that in the seventh month, on the tenth day of the month, ye shall afflict your souls, and do no work at all, whether it be one of your own country, or a stranger that sojourneth among you:
Then I consulted with myself, and I rebuked the nobles, and the rulers, and said unto them, Ye exact usury, every one of his brother. And I set a great assembly against them.
And behold joy and gladness, slaying oxen, and killing sheep, eating flesh, and drinking wine: let us eat and drink; for to morrow we shall die.
I was wroth with my people, I have polluted mine inheritance, and given them into thine hand: thou didst shew them no mercy; upon the ancient hast thou very heavily laid thy yoke.
And God met Balaam: and he said unto him, I have prepared seven altars, and I have offered upon every altar a bullock and a ram.
It shall be a sabbath of rest unto you, and ye shall afflict your souls, by a statute for ever.
When I wept, and chastened my soul with fasting, that was to my reproach.
And he answering said to his father, Lo, these many years do I serve thee, neither transgressed I at any time thy commandment: and yet thou never gavest me a kid, that I might make merry with my friends:
Also on the tenth day of this seventh month there shall be a day of atonement: it shall be an holy convocation unto you; and ye shall afflict your souls, and offer an offering made by fire unto the LORD.