GOD'S WORD® Translation
"You have said, 'It's pointless to serve God. What do we gain if we meet his standards or if we walk around feeling sorry for what we've done?

American Standard Version
Ye have said, It is vain to serve God; and what profit is it that we have kept his charge, and that we have walked mournfully before Jehovah of hosts?

Berean Study Bible
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?

Douay-Rheims Bible
And you have said: What have we spoken against thee? You have said: He laboureth in vain that serveth God, and what profit is it that we have kept his ordinances, and that we have walked sorrowful before the Lord of hosts?

English Revised Version
Ye have said, It is vain to serve God: and what profit is it that we have kept his charge, and that we have walked mournfully before the LORD of hosts?

King James Bible
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?

World English Bible
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 Yahweh of Armies?

Young's Literal Translation
Ye have said, 'A vain thing to serve God! And what gain when we kept His charge? And when we have gone in black, Because of Jehovah of Hosts?

Malachi 3:14 Additional Translations ...