Isaiah 1:24 Kabbalah

לָכֵ֗ן נְאֻ֤ם הָֽאָדוֹן֙ יְהוָ֣ה צְבָא֔וֹת אֲבִ֖יר יִשְׂרָאֵ֑ל ה֚וֹי אֶנָּחֵ֣ם מִצָּרַ֔י וְאִנָּקְמָ֖ה מֵאוֹיְבָֽי׃

Therefore saith the Lord, the LORD of hosts, The Mighty One of Israel: Ah, I will ease Me of Mine adversaries, And avenge Me of Mine enemies;

Read kabbalistic (mystical) interpretation of Isaiah 1:24: and classical mystical sources.