Reference for Jeremiah 3:20

אָכֵ֛ן בָּגְדָ֥ה אִשָּׁ֖ה מֵרֵעָ֑הּ כֵּ֣ן בְּגַדְתֶּ֥ם בִּ֛י בֵּ֥ית יִשְׂרָאֵ֖ל נְאֻם־יְהוָֽה׃

Surely as a wife treacherously departeth from her husband, So have ye dealt treacherously with Me, O house of Israel, Saith the LORD.