וַיֹּ֤אמֶר מֶֽלֶךְ־יִשְׂרָאֵל֙ אֶל־אֱלִישָׁ֔ע כִּרְאֹת֖וֹ אוֹתָ֑ם הַאַכֶּ֥ה אַכֶּ֖ה אָבִֽי׃
And the king of Israel said unto Elisha, when he saw them: ‘My father, shall I smite them? shall I smite them?’
Read Kabbalistic (mystical) interpretations of II Kings 6:21: Zohar and classical Jewish mystical sources, free online.