וַיֹּ֨אמֶר יְהוָ֜ה אֵלַ֗י בִּימֵי֙ יֹאשִׁיָּ֣הוּ הַמֶּ֔לֶךְ הֲֽרָאִ֔יתָ אֲשֶׁ֥ר עָשְׂתָ֖ה מְשֻׁבָ֣ה יִשְׂרָאֵ֑ל הֹלְכָ֨ה הִ֜יא עַל־כָּל־הַ֣ר גָּבֹ֗הַּ וְאֶל־תַּ֛חַת כָּל־עֵ֥ץ רַעֲנָ֖ן וַתִּזְנִי־שָֽׁם׃
And the LORD said unto me in the days of Josiah the king: ‘Hast thou seen that which backsliding Israel did? she went up upon every high mountain and under every leafy tree, and there played the harlot.
Read halakhic rulings (Jewish law) on Jeremiah 3:6: and classical halakhic sources.