וַתֹּ֥אמֶר נָעֳמִ֖י אֶל־ר֣וּת כַּלָּתָ֑הּ ט֣וֹב בִּתִּ֗י כִּ֤י תֵֽצְאִי֙ עִם־נַ֣עֲרוֹתָ֔יו וְלֹ֥א יִפְגְּעוּ־בָ֖ךְ בְּשָׂדֶ֥ה אַחֵֽר׃
And Naomi said unto Ruth her daughter-in-law: ‘It is good, my daughter, that thou go out with his maidens, and that thou be not met in any other field.’
Read halakhic rulings (Jewish law) on Ruth 2:22: and classical halakhic sources.