American Standard Version (ASV):
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?
King James Version (KJV):
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?