They rejected his decrees and the covenant he had made with their ancestors and the statutes he had warned them to keep. They followed worthless idols and themselves became worthless. They imitated the nations around them although the LORD had ordered them, "Do not do as they do."
NIV
They despised and rejected His statutes and His covenant which He made with their fathers and His warnings to them, and they followed vanity (false gods--falsehood, emptiness, and futility) and [they themselves and their prayers] became false (empty and futile). They went after the heathen round about them, of whom the Lord had charged them that they should not do as they did.
AMP
And they rejected his statutes, and his covenant that he made with their fathers, and his testimonies which he testified against them; and they followed vanity, and became vain, and went after the heathen that were round about them, concerning whom the LORD had charged them, that they should not do like them.
KJV
But I said, "I have labored in vain; I have spent my strength for nothing at all. Yet what is due me is in the LORD's hand, and my reward is with my God."
NIV
Then I said, I have labored in vain, I have spent my strength for nothing and in empty futility; yet surely my right is with the Lord, and my recompense is with my God.
AMP
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.
KJV
I have not spoken in secret, from somewhere in a land of darkness; I have not said to Jacob's descendants, "Seek me in vain.' I, the LORD, speak the truth; I declare what is right."
NIV
I have not spoken in secret, in a corner of the land of darkness; I did not call the descendants of Jacob [to a fruitless service], saying, Seek Me for nothing [but I promised them a just reward]. I, the Lord, speak righteousness (the truth--trustworthy, straightforward correspondence between deeds and words); I declare things that are right. [John 18:20.]AMP
I have not spoken in secret, in a dark place of the earth: I said not unto the seed of Jacob, Seek ye me in vain: I the LORD speak righteousness, I declare things that are right.
KJV
"They are not just idle words for you – they are your life. By them you will live long in the land you are crossing the Jordan to possess."
NIV
For it is not an empty and worthless trifle for you; it is your [very] life. By it you shall live long in the land which you are going over the Jordan to possess.
AMP
For it is not a vain thing for you; because it is your life: and through this thing ye shall prolong your days in the land, whither ye go over Jordan to possess it.
KJV
Some worthless scoundrels gathered around him and opposed Rehoboam son of Solomon when he was young and indecisive and not strong enough to resist them.
NIV
And there gathered to him worthless men, base fellows, who strengthened themselves against Rehoboam son of Solomon when Rehoboam was young [as king], irresolute, and inexperienced and did not withstand them with firmness and strength.
AMP
And there are gathered unto him vain men, the children of Belial, and have strengthened themselves against Rehoboam the son of Solomon, when Rehoboam was young and tenderhearted, and could not withstand them.
KJV
"In vain I punished your people; they did not respond to correction. Your sword has devoured your prophets like a ravenous lion."
NIV
In vain have I stricken your children (your people); they received no discipline (no correction). Your own sword devoured your prophets like a destroying lion.
AMP
In vain have I smitten your children; they received no correction: your own sword hath devoured your prophets, like a destroying lion.
KJV