בִּלְתִּ֤י כָרַע֙ תַּ֣חַת אַסִּ֔יר וְתַ֥חַת הֲרוּגִ֖ים יִפֹּ֑לוּ בְּכָל־זֹאת֙ לֹא־שָׁ֣ב אַפּ֔וֹ וְע֖וֹד יָד֥וֹ נְטוּיָֽה׃ (ס)
They can do nought except crouch under the captives, And fall under the slain. For all this His anger is not turned away, But His hand is stretched out still.
Read kabbalistic (mystical) interpretation of Isaiah 10:4: and classical mystical sources.