הִנֵּ֤ה יוֹם־יְהוָה֙ בָּ֔א אַכְזָרִ֥י וְעֶבְרָ֖ה וַחֲר֣וֹן אָ֑ף לָשׂ֤וּם הָאָ֙רֶץ֙ לְשַׁמָּ֔ה וְחַטָּאֶ֖יהָ יַשְׁמִ֥יד מִמֶּֽנָּה׃
Behold, the day of the LORD cometh, Cruel, and full of wrath and fierce anger; To make the earth a desolation, And to destroy the sinners thereof out of it,
Read kabbalistic (mystical) interpretation of Isaiah 13:9: and classical mystical sources.