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The Lord liveth - Though they profess to bind themselves by Jehovah, as if they acknowledged him their God and only Lord, yet they swore falsely; for not believing in him, they took a false oath; one by which they did not believe themselves bound, not acknowledging him as their Lord. See on Jeremiah 4:2; (note).

Though they take the most binding form of oath, they do so only as a means of deceiving others.

None could be found who behaved as upright and godly men. But the Lord saw the true character of the people through all their disguises. The poor were ignorant, and therefore they were wicked. What can be expected but works of darkness, from people that know nothing of God and religion? There are God's poor, who, notwithstanding poverty, know the way of the Lord, walk in it, and do their duty; but these were willingly ignorant, and their ignorance would not be their excuse. The rich were insolent and haughty, and the abuse of God's favours made their sin worse.