אַל־תִּֽירְאִי֙ תּוֹלַ֣עַת יַֽעֲקֹ֔ב מְתֵ֖י יִשְׂרָאֵ֑ל אֲנִ֤י עֲזַרְתִּיךְ֙ נְאֻם־יְהוָ֔ה וְגֹאֲלֵ֖ךְ קְד֥וֹשׁ יִשְׂרָאֵֽל׃
Fear not, thou worm Jacob, And ye men of Israel; I help thee, saith the LORD, And thy Redeemer, the Holy One of Israel.
Read kabbalistic (mystical) interpretation of Isaiah 41:14: and classical mystical sources.