Some translations set poetry farther to the right than the rest of the text to show that it is poetry. The ULB does this with the poetry in this chapter.
Many scholars believe this chapter prophesies that Gentiles will be able to come to a saving faith in Yahweh. At this time, the Israelites believed that only an Israelite could be saved. (See: [[rc://en/tw/dict/bible/kt/prophet]] and [[rc://en/tw/dict/bible/kt/save]] and [[rc://en/tw/dict/bible/kt/faith]])