Everyone will deceive his neighbor, And will not speak the truth; They have taught their tongue to speak lies; They weary themselves to commit iniquity.
Jeremiah 9:5
Surrounding context
9:4 "Everyone take heed to his neighbor, And do not trust any brother; For every brother will utterly supplant, And every neighbor will walk with slanderers.
9:5 Everyone will deceive his neighbor, And will not speak the truth; They have taught their tongue to speak lies; They weary themselves to commit iniquity.
9:6 Your dwelling place is in the midst of deceit; Through deceit they refuse to know Me," says the LORD.