Malachi 3:14

You have said, 'It is vain to serve God. What is the profit of our keeping his charge or of walking as in mourning before the LORD of hosts?

Isaiah 58:3

'Why have we fasted, and you see it not? Why have we humbled ourselves, and you take no knowledge of it?' Behold, in the day of your fast you seek your own pleasure, and oppress all your workers.

Zephaniah 1:12

At that time I will search Jerusalem with lamps, and I will punish the men who are complacent, those who say in their hearts, 'The LORD will not do good, nor will he do ill.'

Job 21:14-15

They say to God, 'Depart from us! We do not desire the knowledge of your ways.

Job 22:17

They said to God, 'Depart from us,' and 'What can the Almighty do to us?'

Job 34:9

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

Job 35:3

that you ask, 'What advantage have I? How am I better off than if I had sinned?'

Psalm 73:8-13

They scoff and speak with malice; loftily they threaten oppression.

Joel 2:12

"Yet even now," declares the LORD, "return to me with all your heart, with fasting, with weeping, and with mourning;

Zechariah 7:3-6

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

James 4:9

Be wretched and 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 say to God, 'Depart from us! We do not desire the knowledge of your ways.
Job 22:17
They said to God, 'Depart from us,' and 'What can the Almighty do to us?'
Job 34:9
For he has said, 'It profits a man nothing that he should take delight in God.'
Job 35:3
that you ask, 'What advantage have I? How am I better off than if I had sinned?'
Psalm 73:8
They scoff and speak with malice; loftily they threaten oppression.
Isaiah 58:3
'Why have we fasted, and you see it not? Why have we humbled ourselves, and you take no knowledge of it?' Behold, in the day of your fast you seek your own pleasure, and oppress all your workers.
Zephaniah 1:12
At that time I will search Jerusalem with lamps, and I will punish the men who are complacent, those who say in their hearts, 'The LORD will not do good, nor will he do ill.'

And that

Isaiah 58:3
'Why have we fasted, and you see it not? Why have we humbled ourselves, and you take no knowledge of it?' Behold, in the day of your fast you seek your own pleasure, and oppress all your workers.
Joel 2:12
"Yet even now," declares the LORD, "return to me with all your heart, with fasting, with weeping, and with mourning;
Zechariah 7:3
saying to the priests of the house of the LORD of hosts and the prophets, "Should I weep and abstain in the fifth month, as I have done for so many years?"
James 4:9
Be wretched and mourn and weep. Let your laughter be turned to mourning and your joy to gloom.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.