Nehemiah 2:7 Midrash

וָאוֹמַר֮ לַמֶּלֶךְ֒ אִם־עַל־הַמֶּ֣לֶךְ ט֔וֹב אִגְּרוֹת֙ יִתְּנוּ־לִ֔י עַֽל־פַּחֲו֖וֹת עֵ֣בֶר הַנָּהָ֑ר אֲשֶׁר֙ יַעֲבִיר֔וּנִי עַ֥ד אֲשֶׁר־אָב֖וֹא אֶל־יְהוּדָֽה׃

Moreover I said unto the king: ‘If it please the king, let letters be given me to the governors beyond the River, that they may let me pass through till I come unto Judah;

Read midrashic interpretation of Nehemiah 2:7: and classical rabbinic exegesis.