Job 27:4

New English Translation

⁴my^[a] lips will not speak wickedness,
and my tongue will whisper^[b] no deceit.

Job 27:4 tn The verse begins with אִם (ʾim), the formula used for the content of the oath (“God lives…if I do/do not…”). Thus, the content of the oath proper is here in v. 4.
Job 27:4 tn The verb means “to utter; to mumble; to meditate.” The implication is that he will not communicate deceitful things, no matter how quiet or subtle.

New English Translation (NET)