Job 6:30

“Is there iniquity in my tongue? etc.] Meaning in his words; either those which he uttered when he cursed the day on which he was born, or in charging his friends with unkindness and falsehood; otherwise the tongue is a world of iniquity, and the best of men are apt to offend both God and men in word: cannot my taste discern perverse things? which is to be understood not of his natural taste, which very probably through his disease might be greatly vitiated, and incapable of relishing his food as in time of health, and of distinguishing good from bad; but of his intellectual taste, or of his sense and reason, his rational and spiritual taste; he had his senses exercised to discern good and…”

“Will you say that my guilt lies in the organ of speech, and will you call it to account? or, Is it that my taste (palate) or discernment is not capable to form a judgment of perverse things? Is it thus you will explain the fact of my having no consciousness of guilt? [UMBREIT]. Next: Job Chapter 7”

“Is there iniquity in my tongue? - This is a solemn appeal to their consciences, and their own deep conviction that he was sincere. Iniquity in the tongue means falsehood, deceit, hypocrisy - that which would be expressed by the tongue. Cannot my taste discern perverse things? - Margin, palate. The word used here חך chêk means properly the palate, together with the corresponding lower part of the mouth, the inside mouth. Gesenius. Hence, it means the organ of taste, residing in the mouth. The meaning is, that Job was qualified to discern what was true or false, sincere or hypocritical, just or unjust, in the same manner as the palate is fitted to discern the qualities of objects, whether…”

“Is there - Consider if there be any untruth or iniquity in what I have already said, or shall farther speak. Taste - My judgment, which judgeth of words and actions, as the palate doth of meats. Next: Job Chapter 7”

“6:30 Don’t I know the difference between right and wrong? (literally Can’t my palate discern malice?): Job might have been echoing his earlier comment about a tasteless, revolting diet (6:6-7).”

“iniquity: Job 33:8-12, Job 42:3-6 cannot: Job 6:6, Job 12:11, Job 34:3; Heb 5:14 taste: Heb. palate Next: Job Chapter 7”