John Gills Exposition of the Bible Commentary - Jeremiah 9:5
And they will deceive everyone his neighbour ,.... In conversation, with lying words; and in trade and commerce, by art and tricking: and will not speak the truth ; with respect to facts they report, or goods they sell: they have taught their tongue to speak lies ; and become so accustomed to lying that they cannot do otherwise; it is as it were natural to them: and weary themselves to commit iniquity ; spared no pains to come at it, nor any in it, and go on even to weariness;... read more
Matthew Henry's Complete Commentary - Jeremiah 9:1-11
The prophet, being commissioned both to foretel the destruction coming upon Judah and Jerusalem and to point out the sin for which that destruction was brought upon them, here, as elsewhere, speaks of both very feelingly: what he said of both came from the heart, and therefore one would have thought it would reach to the heart. I. He abandons himself to sorrow in consideration of the calamitous condition of his people, which he sadly laments, a one that preferred Jerusalem before his chief joy... read more