Malachi 3:14

You have said, 'It is vain to serve God;' and 'What profit is it that we have followed his instructions, and that we have walked mournfully before the LORD of hosts?

Isaiah 58:3

'Why have we fasted,' say they, 'and you do not see? Why have we afflicted our soul, and you take no knowledge?' "Behold, in the day of your fast you find pleasure, and exact all your labors.

Zephaniah 1:12

It will happen at that time, that I will search Jerusalem with lamps, and I will punish the men who are settled on their dregs, who say in their heart, "The LORD will not do good, neither will he do evil."

Job 21:14-15

They tell God, 'Depart from us, for we do not want to know about your ways.

Job 22:17

who said to God, 'Depart from us;' and, 'What can Shaddai do for us?'

Job 34:9

For he has said, 'It profits a man nothing that he should delight himself with God.'

Job 35:3

That you ask, 'What advantage will it be to you? What profit shall I have, more than if I had sinned?'

Psalm 73:8-13

They scoff and speak with malice. In arrogance, they threaten oppression.

Joel 2:12

"Yet even now," says the LORD, "turn to me with all your heart, and with fasting, and with weeping, and with mourning."

Zechariah 7:3-6

and to speak to the priests of the house of the LORD of hosts, and to the prophets, saying, "Should I weep in the fifth month, separating myself, as I have done these so many years?"

James 4:9

Lament, mourn, and weep. Let your laughter be turned to mourning, and your joy to gloom.

Treasury of Scripture Knowledge

Summary

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?

Bible References

It is

Job 21:14
They tell God, 'Depart from us, for we do not want to know about your ways.
Job 22:17
who said to God, 'Depart from us;' and, 'What can Shaddai do for us?'
Job 34:9
For he has said, 'It profits a man nothing that he should delight himself with God.'
Job 35:3
That you ask, 'What advantage will it be to you? What profit shall I have, more than if I had sinned?'
Psalm 73:8
They scoff and speak with malice. In arrogance, they threaten oppression.
Isaiah 58:3
'Why have we fasted,' say they, 'and you do not see? Why have we afflicted our soul, and you take no knowledge?' "Behold, in the day of your fast you find pleasure, and exact all your labors.
Zephaniah 1:12
It will happen at that time, that I will search Jerusalem with lamps, and I will punish the men who are settled on their dregs, who say in their heart, "The LORD will not do good, neither will he do evil."

And that

Isaiah 58:3
'Why have we fasted,' say they, 'and you do not see? Why have we afflicted our soul, and you take no knowledge?' "Behold, in the day of your fast you find pleasure, and exact all your labors.
Joel 2:12
"Yet even now," says the LORD, "turn to me with all your heart, and with fasting, and with weeping, and with mourning."
Zechariah 7:3
and to speak to the priests of the house of the LORD of hosts, and to the prophets, saying, "Should I weep in the fifth month, separating myself, as I have done these so many years?"
James 4:9
Lament, mourn, and weep. Let your laughter be turned to mourning, and your joy to gloom.