American Standard Version (ASV):
But I said, I have labored in vain, I have spent my strength for nought and vanity; yet surely the justice [due] to me is with Jehovah, and my recompense with my God.
King James Version (KJV):
Then I said, I have laboured in vain, I have spent my strength for nought, and in vain: [yet] surely my judgment [is] with the LORD, and my work with my God.