אַךְ־אֵ֭לֶּה מִשְׁכְּנ֣וֹת עַוָּ֑ל וְ֝זֶ֗ה מְק֣וֹם לֹא־יָדַֽע־אֵֽל׃ (ס)
Surely such are the dwellings of the wicked, And this is the place of him that knoweth not God.
Read Kabbalistic (mystical) interpretations of Job 18:21: Zohar and classical Jewish mystical sources, free online.