הִנֵּ֨ה אָנֹכִ֜י שֹׁלֵ֤חַ מַלְאָךְ֙ לְפָנֶ֔יךָ לִשְׁמָרְךָ֖ בַּדָּ֑רֶךְ וְלַהֲבִ֣יאֲךָ֔ אֶל־הַמָּק֖וֹם אֲשֶׁ֥ר הֲכִנֹֽתִי׃
Behold, I send an angel before thee, to keep thee by the way, and to bring thee into the place which I have prepared.
Read halakhic rulings (Jewish law) on Exodus 23:20: and classical halakhic sources.