Psalms 77:8 Kabbalah

הַֽ֭לְעוֹלָמִים יִזְנַ֥ח ׀ אֲדֹנָ֑י וְלֹֽא־יֹסִ֖יף לִרְצ֣וֹת עֽוֹד׃

'Will the Lord cast off for ever? And will He be favourable no more?

Read kabbalistic (mystical) interpretation of Psalms 77:8: and classical mystical sources.