Isaiah 29:19

“The meek also shall increase [their] joy in the Lord, &c.] The “meek”, lowly, and humble, are such who are made sensible of sin, and become humble under a sense of it; who see the insufficiency of their own righteousness, and submit to the righteousness of Christ; who attribute all they have, and are, to the free grace of God, and quietly submit to every dispensation of Providence; who are not easily provoked by men, but bear much and long without reviling; who envy not those that are above them in gifts and grace, nor despise those that are below them, and think the worst of themselves, and the best of others; now these have joy in the Lord, in the Word of the Lord, as the Targum, in the…”

“meek--rather, the afflicted godly: the idea is, virtuous suffering (Isa 61:1; Psa 25:9; Psa 37:11) [BARNES]. poor among men--that is, the poorest of men, namely, the pious poor. rejoice--when they see their oppressors punished (Isa 29:20-21), and Jehovah exhibited as their protector and rewarder (Isa 29:22-24; Isa 41:17; Jam 2:5).”

“Meek - The humble and meek believers. Poor - Mean and despicable people, such as the Gentiles were in the opinion of the Jews, and such as the greatest part of the first Christians were. Isaiah 29:20”

“meek: Isa 61:1; Psa 25:9, Psa 37:11, Psa 149:4; Zep 2:3; Mat 5:5, Mat 11:29; Gal 5:22, Gal 5:23; Eph 4:2; Phi 2:1-3; Jam 1:21, Jam 2:5, Jam 3:13-18; Pe1 2:1-3 increase: Heb. add the poor: Isa 41:17, Isa 41:18, Isa 57:15, Isa 66:2; Psa 9:18, Psa 12:5; Zep 3:12-18; Mat 5:3, Mat 11:5; Co1 1:26-29; Jam 1:9, Jam 2:5 rejoice: Isa 41:16, Isa 61:10; Hab 3:18; Phi 3:1-3, Phi 4:4 Isaiah 29:20”