King James Version
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?English Standard Version
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?Catholic Public Domain Version
And you have said, "What have we spoken against you?" You have said, "He labors in vain who serves God," and, "What advantage is it that we have kept his precepts, and that we have walked sorrowfully in the sight of the Lord of hosts