Hebrews 4:13

And why speak I of men? he says. For even if thou speak of Angels, of Archangels, of the Cherubim, of the Seraphim, even of any "creature" whatsoever: all things are laid open to that Eye, all things are clear and manifest; there is nothing able to escape it; "All things are naked and opened unto the eyes of Him, with whom we have to do." But what is "opened"? It is a metaphor from the skins which are drawn off from the victims. For as in that case, when a man has killed them, and has drawn aside the skin from the flesh, he lays open all the inward parts, and makes them manifest to our eyes; so also do all things lie open before God. And observe, I pray thee, how he constantly needs bodily images; which arose from the weakness of the hearers. For that they were weak, he made plain, when he said that they were "dull," and "had need of milk, not of strong meat." "All things are naked," he says, "and opened unto the eyes of Him, with whom we have to do." (c. v. 11, v. 12.) Next he discourses of the Son, "with whom we have to do," he says. What is "with whom we have to do"? To Him (he would say) we have to render account for the things we have done? Even so. How then must we act that we fall not, nor be faint-hearted?

He says, "division of soul and spirit." The soul has a special feeling for the body, but the grace of the Holy Spirit draws against the body to the heavenly things.

Not only, he says, does He search and know the hearts of men, but even if you were to point to angels and archangels, to cherubim and seraphim, all things are open before Him. Nothing can be hidden from His eyes. To illustrate more vividly …

It was necessary that our Hierarch be endowed with awareness, in regard to the threefold wisdom within Him: the innate, that is, the wisdom of angels and of the first man, the infused, and the eternal. Through the first, He knows all things which we …

Do you not shudder when you hear God each day saying to you through the whole of the divine Scripture, "Let no evil speech come out of your mouth"? For truly I say to you for any idle word you will give an account, and …

Then when he says, before him no creature is hidden, he shows that anything invisible according to its nature is not hidden from God. For if something is not seen by us, it is because it is more simple and more subtle than our bodily …

But all things are naked and opened - Plainly alluding to the sacrifices under the law which were first flayed, and then (as the Greek word literally means) cleft asunder through the neck and backbone; so that everything both without and within was exposed to open view.

None of the creatures can be concealed from Christ; none of the creatures of God, for Christ is the Creator of them all; and there are none of the motions and workings of our heads and hearts (which may be called creatures of our own) but what are open and manifest to him with whom we have to do as the object of our worship, and the high priest of our profession.

Neither is there any creature that is not manifest in his sight,....

Neither is there any creature that is not manifest in his sight - There is no being who is not wholly known to God. All his thoughts, feelings, plans, are distinctly understood. Of the truth of this there can be no doubt. The “design” of the remark here is, to guard those to whom the apostle was writing from self-deception - since they could conceal nothing from God. All things are naked - Exposed; uncovered.

The Greek perfect tense implies that this is our continuous state in relation to God. "Show, O man, shame and fear towards thy God, for no veil, no twisting, bending, coloring, or disguise, can cover unbelief" (Greek, 'disobedience,' Heb 4:11).

Neither is there any creature that is not manifest - God, from whom this word comes, and by whom it has all its efficacy, is infinitely wise. He well knew how to construct his word, so as to suit it to the state of all hearts; and he has given it that infinite fullness of meaning, so as to suit it to all cases. And so infinite is he in his knowledge, and so omnipresent is he, that the whole creation is constantly exposed to his view; nor is there a creature of the affections, mind, or imagination, that is not constantly under his eye. He marks every rising thought, every budding desire; and such as these are supposed to be the creatures to which the apostle particularly refers, and which are called, in the preceding verse, the propensities and suggestions of the heart. But all things are naked and opened - Παντα δε γυμνα και τετραχηλισμενα. It has been supposed that the phraseology here is sacrificial, the apostle referring to the case, of slaying and preparing a victim to be offered to God. 1. It is slain; 2. It is flayed, so it is naked; 3. It is cut open, so that all the intestines are exposed to view; 4. It is carefully inspected by the priest, to see that all is sound before any part is offered to him who has prohibited all imperfect and diseased offerings; and, 5. It is divided exactly into two equal parts, by being split down the chine from the nose to the rump; and so exactly was this performed, that the spinal marrow was cloven down the center, one half lying in the divided cavity of each side of the backbone. This is probably the metaphor in 2Ti 2:15 (note). But there is reason to suspect that this is not the metaphor here. […]