Job 17:13 Kabbalah

אִם־אֲ֭קַוֶּה שְׁא֣וֹל בֵּיתִ֑י בַּ֝חֹ֗שֶׁךְ רִפַּ֥דְתִּי יְצוּעָֽי׃

If I look for the nether-world as my house; If I have spread my couch in the darkness;

Read kabbalistic (mystical) interpretation of Job 17:13: and classical mystical sources.