But Yahweh promised that He would restore the fortunes of Jacob"s seed and that a descendant of David would rule over all the Israelites in the future. This promise was as sure as God"s promise to provide day and night faithfully. The Lord"s compassion prevented Him from abandoning His chosen people, and gave them hope for their restoration. [source][source][source]
"The greatest argument for the future restoration of Israel as a nation is the character of God. He made a series of covenants with the patriarchs, David, and the Levites; His character demands that He will ultimately fulfill these promises to their nation." [1][source]
"The salvation announcements in chap33answer at least two questions left from chap32 (and30-31): (1) How can people who persistently rebelled and even offered their children to Molech, become covenant partners with God? The LORD will heal, cleanse, and forgive them ( Jeremiah 33:6-8) out of mercy for them ( Jeremiah 33:26). (2) What will life be like for the people whom God will plant in the land? Families will grow again ( Jeremiah 33:11), worship will resume at the temple ( Jeremiah 33:11; Jeremiah 33:18), and God will always provide a legitimate and righteous ruler ( Jeremiah 33:14-26), so that people can live in safety ( Jeremiah 33:16). All this will be accomplished by the Creator, for whom nothing is too difficult ( Jeremiah 32:17; Jeremiah 32:26) and whose willingness and power to do good inspires awe among the nations ( Jeremiah 33:9)." [2][source]