הֶעְמִֽיקוּ־שִׁחֵ֖תוּ כִּימֵ֣י הַגִּבְעָ֑ה יִזְכּ֣וֹר עֲוֺנָ֔ם יִפְק֖וֹד חַטֹּאותָֽם׃ (ס)
They have deeply corrupted themselves, As in the days of Gibeah; He will remember their iniquity, He will punish their sins.
Read kabbalistic (mystical) interpretation of Hosea 9:9: and classical mystical sources.