Job 10:14

“If I sin, then thou markest me, etc.] Or “observest me” f446; that is, he took notice of his sins, strictly inquired into them and all the circumstances of them, watched the motions and progress of them, and carefully laid them up, in order to bring them out against him another day, and afflict or punish him for them; or he set a watch about him, “kept [him] in” f447, and enclosed him on every side with affliction, as if he was in a watch or prison, as Gersom; or, “wilt thou keep me” f448? that is, in such close confinement: Gussetius f449 renders it, “if I have offered a sacrifice for sin”, as the word is sometimes used; signifying, that though he should, as no doubt he did, offer sacrifice…”

“Job is perplexed because God "marks" every sin of his with such ceaseless rigor. Whether "wicked" (godless and a hypocrite) or "righteous" (comparatively sincere), God condemns and punishes alike.”

“If I sin - The object of this verse and the following is, evidently, to say that he was wholly perplexed. He did not know how to act. He could not understand the reason of the divine dealings, and he was wholly unable to explain them, and hence, he did not know how to act in a proper manner. It is expressive of a state of mind where the individual wishes to think and feel right, but where he finds so much to perplex him, that he does not know what to do. Job was sure that his friends were not right in the position which they maintained - that he was a sinner of enormous character, and that his sufferings were proof of this, and yet he did not know how to answer their arguments. He desired to…”

“Markest - If I am a wicked man, I cannot hide it from thee; and thou wilt punish me for it. Job 10:15”

“then: Job 13:26, Job 13:27, Job 14:16; Psa 130:3, Psa 139:1 thou wilt: Job 7:21; Exo 34:7; Num 14:18 Job 10:15”