Commentary for Judges 16:7

וַיֹּ֤אמֶר אֵלֶ֙יהָ֙ שִׁמְשׁ֔וֹן אִם־יַאַסְרֻ֗נִי בְּשִׁבְעָ֛ה יְתָרִ֥ים לַחִ֖ים אֲשֶׁ֣ר לֹא־חֹרָ֑בוּ וְחָלִ֥יתִי וְהָיִ֖יתִי כְּאַחַ֥ד הָאָדָֽם׃

And Samson said unto her: ‘If they bind me with seven fresh bowstrings that were never dried, then shall I become weak, and be as any other man.’

Rashi on Judges