וְגַם־בְּכָל־זֹ֗את לֹא־שָׁ֨בָה אֵלַ֜י בָּגוֹדָ֧ה אֲחוֹתָ֛הּ יְהוּדָ֖ה בְּכָל־לִבָּ֑הּ כִּ֥י אִם־בְּשֶׁ֖קֶר נְאֻם־יְהוָֽה׃ (פ)
and yet for all this her treacherous sister Judah hath not returned unto Me with her whole heart, but feignedly, saith the LORD—
Read kabbalistic (mystical) interpretation of Jeremiah 3:10: and classical mystical sources.