Jeremiah 9:4-6

Amplified Bible

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“Let everyone beware of his neighbor
And do not trust any brother.
For every brother is a supplanter [like Jacob, a deceiver, ready to grab his brother’s heel],
And every neighbor goes around as a slanderer.^(A)
5 
“Everyone deceives and mocks his neighbor
And does not speak the truth.
They have taught their tongue to speak lies;
They exhaust themselves with sin and cruelty.
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“Your dwelling is in the midst of deceit [oppression upon oppression and deceit upon deceit];
Through deceit they refuse to know (understand) Me,” says the Lord.