For ever, O LORD. Supply Ellipsis (App-6), "For ever [art Thou], O Jehovah [For ever] Thy Word", &c.
settled = standeth fast, as the earth: i.e. endureth for ever (Psa_102:12, Psa_102:26. Isa_40:8. Luk_16:17. 1Pe_1:25). So Christ, the Living Word (Joh_12:34).