Job 6:28

Now therefore be content, look upon me; for it is evident unto you if I lie.

Cross-references

Job 11:3 is Zophar's reply accusing Job of mocking — directly contrasting Job's plea for honesty here. A back-and-forth in the dialogue.

Job 13:4 calls the friends 'whitewashers of lies' — contrasting Job's own claim 'I will not lie' in 6:28. Same book, same characters.