Jamieson, Fausset & Brown

(Isa 2:4). Not only shall thy walls keep thee safe from foes, but "Salvation" shall serve as thy walls, converting thy foes into friends, and so ensuring thee perfect safety (Isa 26:1-2). gates--once the scene of "destruction" when victorious foes burst through them (Neh 1:3); henceforth to be not only the scene of praises, but "Praise" itself; the "gates," as the place of public concourse, were the scene of thanksgivings (Ch2 31:2; Psa 9:14; Psa 24:7; Psa 100:4). "Judah," the favored tribe, means "praise."