Malachi 3:14

Ye said, Vanity to serve God: and what profit that we watched his watches, and that we went mourning from the face of Jehovah of armies?

Isaiah 58:3

For what did we fast, and thou sawest not? we humbled our soul and thou wilt not know? Behold, in the day of your fasting ye will find desire, and ye will exact all your labors.

Zephaniah 1:12

And it was in that time, I will search out Jerusalem with lights, and I reviewed upon the men curdled upon their lees, saying in their heart, Jehovah will do good and not evil.

Job 21:14-15

And they will say to God, Depart from us; and we desired not the knowledge of thy ways.

Job 22:17

They saying to God, Depart fron us: and what shall the Almighty do for them?

Job 34:9

For he said, It will not profit a man in delighting himself with God.

Job 35:3

For thou wilt say, What shall it profit to thee? what shall I profit from my sin?

Psalm 73:8-13

They will mock and speak in evil of oppression: they will speak from elevation.

Joel 2:12

And also now, says Jehovah, Turn back even to me with all your heart, and with fasting, and with weeping and with wailing.

Zechariah 7:3-6

To speak to the priests which were to the house of Jehovah of armies, and to the prophets, saying, Should I weep in the fifth month, separating myself according as I did, how many the years?

James 4:9

Toil, and mourn, and weep: let your laughter be turned to mourning, and joy to dejection.

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
And they will say to God, Depart from us; and we desired not the knowledge of thy ways.
Job 22:17
They saying to God, Depart fron us: and what shall the Almighty do for them?
Job 34:9
For he said, It will not profit a man in delighting himself with God.
Job 35:3
For thou wilt say, What shall it profit to thee? what shall I profit from my sin?
Psalm 73:8
They will mock and speak in evil of oppression: they will speak from elevation.
Isaiah 58:3
For what did we fast, and thou sawest not? we humbled our soul and thou wilt not know? Behold, in the day of your fasting ye will find desire, and ye will exact all your labors.
Zephaniah 1:12
And it was in that time, I will search out Jerusalem with lights, and I reviewed upon the men curdled upon their lees, saying in their heart, Jehovah will do good and not evil.

And that

Isaiah 58:3
For what did we fast, and thou sawest not? we humbled our soul and thou wilt not know? Behold, in the day of your fasting ye will find desire, and ye will exact all your labors.
Joel 2:12
And also now, says Jehovah, Turn back even to me with all your heart, and with fasting, and with weeping and with wailing.
Zechariah 7:3
To speak to the priests which were to the house of Jehovah of armies, and to the prophets, saying, Should I weep in the fifth month, separating myself according as I did, how many the years?
James 4:9
Toil, and mourn, and weep: let your laughter be turned to mourning, and joy to dejection.