From the very begining its been the habit of Jewish commenters to project ideas onto scripture. One famous example is found in a Midrash about the Book of Ruth. The verse (2:3) tells us that Ruth gleaned with the male reapers [וַתְּלַקֵּט בַּשָּׂדֶה, אַחֲרֵי הַקֹּצְרִים] and further (2:5) tells us that this breach of modesty scandalized Boaz, leading him to demand her identity [לְמִי הַנַּעֲרָה הַזֹּאת]. After the male reapers pin Ruth's blunder (2:6) on her foreign birth [וַיֹּאמַר: נַעֲרָה מוֹאֲבִיָּה הִיא] Boaz diplomatically (2:8) tries to encourage her to glean with the women instead [וְכֹה תִדְבָּקִין, עִם-נַעֲרֹתָי] She doesn't get the hint (2:21) [ גַּם כִּי-אָמַר אֵלַי, עִם-הַנְּעָרִים אֲשֶׁר-לִי תִּדְבָּקִין] and it needs to be reinforced by her mother-in-law (2:22) [טוֹב בִּתִּי, כִּי תֵצְאִי עִם-נַעֲרוֹתָיו]
However, despite this clear textual evidence that Ruth was unaware of ancient Judean ideas about modesty, the lesson the Midrash shoehorns into the text is that Ruth demonstrated exemplary modesty by bending her knees to glean, and not her back, thus exposing less of her legs. (!)
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