כִּ֣י לֹ֧א קִדְּמ֛וּ אֶת־בְּנֵ֥י יִשְׂרָאֵ֖ל בַּלֶּ֣חֶם וּבַמָּ֑יִם וַיִּשְׂכֹּ֨ר עָלָ֤יו אֶת־בִּלְעָם֙ לְקַֽלְל֔וֹ וַיַּהֲפֹ֧ךְ אֱלֹהֵ֛ינוּ הַקְּלָלָ֖ה לִבְרָכָֽה׃
because they met not the children of Israel with bread and with water, but hired Balaam against them, to curse them; howbeit our God turned the curse into a blessing.
Read halakhic rulings (Jewish law) on Nehemiah 13:2: and classical halakhic sources.