וְאֵ֣לֶּה הַדְּבָרִ֗ים אֲשֶׁ֨ר דִּבֶּ֧ר יְהוָ֛ה אֶל־יִשְׂרָאֵ֖ל וְאֶל־יְהוּדָֽה׃
And these are the words that the LORD spoke concerning Israel and concerning Judah.
Read kabbalistic (mystical) interpretation of Jeremiah 30:4: and classical mystical sources.