Job 3:9 Kabbalah

יֶחְשְׁכוּ֮ כּוֹכְבֵ֪י נִ֫שְׁפּ֥וֹ יְקַו־לְא֥וֹר וָאַ֑יִן וְאַל־יִ֝רְאֶ֗ה בְּעַפְעַפֵּי־שָֽׁחַר׃

Let the stars of the twilight thereof be dark; Let it look for light, but have none; Neither let it behold the eyelids of the morning;

Read kabbalistic (mystical) interpretation of Job 3:9: and classical mystical sources.