כִּ֣י מֵעוֹלָ֞ם שָׁבַ֣רְתִּי עֻלֵּ֗ךְ נִתַּ֙קְתִּי֙ מוֹסְרֹתַ֔יִךְ וַתֹּאמְרִ֖י לֹ֣א אעבד [אֶעֱב֑וֹר] כִּ֣י עַֽל־כָּל־גִּבְעָ֞ה גְּבֹהָ֗ה וְתַ֙חַת֙ כָּל־עֵ֣ץ רַעֲנָ֔ן אַ֖תְּ צֹעָ֥ה זֹנָֽה׃
For of old time I have broken thy yoke, and burst thy bands, and thou saidst: ‘I will not transgress’; upon every high hill And under every leafy tree Thou didst recline, playing the harlot.
Read Jewish philosophy on Jeremiah 2:20: Rambam's Guide for the Perplexed, Saadia Gaon, and classical Jewish philosophical sources, free online.