Job 21:34
How then comfort ye me in vain, seeing in your answers there remaineth falsehood?
Cross-reference
In Job 13:4, Job calls his friends 'forgers of lies' — parallel to the falsehood he accuses them of here.
In Job 16:2, Job calls his friends 'miserable comforters' — the same accusation of vain comfort here.
Job 32:3 notes the friends found no answer yet condemned Job — echoing the vain comfort here.
In Job 42:7, God rebukes the friends for not speaking rightly — confirming Job's charge of falsehood here.
In Job 6:25, Job says right words are forceful but their arguing reproves nothing — similar to vain comfort here.
In Job 36:4, Elihu claims his words are not false — contrasting with Job's accusation of false answers here.
Zechariah 10:2 echoes the theme of vain comfort from false prophets, matching Job's complaint about empty consolation.