O Lord, my strength, and my fortress, etc. Jeremiah falls into the tone of the psalmists (Psalms 18:2; Psalms 28:8; Psalms 59:17). All that is choicest and most permanent in Old Testament religion finds its adequate lyric expression in the Book of Psalms.
The Gentiles shall some unto thee. The article, however, is not expressed. "Nations." i.e. a crowd of peoples, hitherto ignorant of the true God, shall hasten to the scene of Jehovah's great interposition; they have been convinced by Israel's unlooked-for restoration of the unique divinity of Jehovah.