John Gills Exposition of the Bible Commentary - Hebrews 4:13
Neither is there any creature that is not manifest in his sight ,.... Christ is the Lord God omniscient; there is no creature, in general, rational, or irrational, animate or inanimate, but what are known to him, and seen by him; for all creatures are made, and upheld by him, and he is omnipresent; and in particular, there is no man but is manifest to him; so בריה , "creature", is often used by the Rabbins for "man"; all men, openly profane men, who are enemies to Christ, and his people,... read more
John Gills Exposition of the Bible Commentary - Hebrews 4:12
For the word of God is quick and powerful ,.... This is to be understood of Christ, the essential Word of God; for the Word of God was a known name of the Messiah among the Jews; See Gill on John 1:1 and therefore the apostle makes use of it when writing to them: and the words are introduced as a reason why care should be taken, that men fall not off from the Gospel, because Christ, the author, sum, and substance of it, is the living God, omnipotent and omniscient; for not a thing, but a... read more