You have said, 'It is futile to serve God. What have we gained by keeping His requirements and walking mournfully before the LORD of Hosts?

Isaiah 43:22
But you have not called on Me, O Jacob, because you have grown weary of Me, O Israel.

Isaiah 58:3
"Why have we fasted, and You have not seen? Why have we humbled ourselves, and You have not noticed?" "Behold, on the day of your fast, you do as you please, and you oppress all your workers.

Jeremiah 2:25
You should have kept your feet from going bare and your throat from being thirsty. But you said, 'It is hopeless! For I love foreign gods, and I must go after them.'

Jeremiah 18:12
But they will reply, 'It is hopeless. We will follow our own plans, and each of us will act according to the stubbornness of his evil heart.'"

Hosea 7:16
They turn, but not to the Most High; they are like a faulty bow. Their leaders will fall by the sword for the cursing of their tongue; for this they will be ridiculed in the land of Egypt.

Malachi 3:13
"Your words against Me have been harsh," says the LORD. "Yet you ask, 'What have we spoken against You?'

You 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?