wall of fire round about] That is, an impregnable wall and defence, which none can passe through. and will be] Isaiah 60:19. the glory in the midst of her] My presence in spirit, grace, and power, shall make it glorious, as the residence of a King is glory to the royall citie: Or as formerly in the desert, the glory of God shewed it selfe in the signes of the pillar, and of the cloud.