John Gills Exposition of the Bible Commentary - Isaiah 56:7
Even them will I bring to my holy mountain ,.... The church, called a "mountain" for its height, visibility, and immovableness; see Isaiah 2:2 , especially for the latter; the true members of it being such who are interested in the unchangeable love of God, in the immovable grace of election, in the unalterable covenant of grace, are on the Rock Christ Jesus, and are secured by the favour and power of God; and it is called a "Holy One", because in it holy men are, holy doctrines are... read more
John Gills Exposition of the Bible Commentary - Isaiah 56:6
Also the sons of the stranger that join themselves to the Lord ,.... Having answered the objection and removed the discouragement of the eunuch, he now returns to the sons of the stranger, who also join themselves to the Lord, as the eunuch had done; see Isaiah 56:4 and who do this, to serve him, and to love the name of the Lord, to be his servants ; who give up themselves to him, not only to be saved by him, but to serve him in righteousness and holiness, with reverence and godly... read more