Adam Clarke's Commentary on the Bible - Hebrews 2:5
The world to come - That הבא עולם olam habba , the world to come, meant the days of the Messiah among the Jews, is most evident, and has been often pointed out in the course of these notes; and that the administration of this kingdom has not been intrusted to angels, who were frequently employed under the law, is also evident, for the government is on the shoulder of Jesus Christ; he alone has the keys of death and hell; he alone shuts, and no man opens; opens, and no man shuts; he alone... read more
John Gills Exposition of the Bible Commentary - Hebrews 2:11
For both he that sanctifieth ,.... Not himself, though this is said of him, John 17:19 nor his Father, though this also is true of him, Isaiah 8:13 but his people, the sons brought to glory, whose salvation he is the Captain of; they are sanctified in him, he being made sanctification to them; and they have their sanctification from him, all their grace and holiness; and they are sanctified by him, both by his blood, which expiates their sins, and removes the guilt of them, and by his... read more