עַתָּ֡ה הִנֵּ֣ה בָטַ֣חְתָּ לְּךָ֡ עַל־מִשְׁעֶנֶת֩ הַקָּנֶ֨ה הָרָצ֤וּץ הַזֶּה֙ עַל־מִצְרַ֔יִם אֲשֶׁ֨ר יִסָּמֵ֥ךְ אִישׁ֙ עָלָ֔יו וּבָ֥א בְכַפּ֖וֹ וּנְקָבָ֑הּ כֵּ֚ן פַּרְעֹ֣ה מֶֽלֶךְ־מִצְרַ֔יִם לְכָֽל־הַבֹּטְחִ֖ים עָלָֽיו׃
Now, behold, thou trustest upon the staff of this bruised reed, even upon Egypt; whereon if a man lean, it will go into his hand, and pierce it; so is Pharaoh king of Egypt unto all that trust on him.
Read midrashic interpretation of II Kings 18:21: and classical rabbinic exegesis.