וַיֹּ֣אמֶר אֵלָ֔יו אִם־נָ֛א מָצָ֥אתִי חֵ֖ן בְּעֵינֶ֑יךָ וְעָשִׂ֤יתָ לִּי֙ א֔וֹת שָׁאַתָּ֖ה מְדַבֵּ֥ר עִמִּֽי׃
And he said unto him: ‘If now I have found favour in thy sight, then show me a sign that it is thou that talkest with me.
Read halakhic rulings (Jewish law) on Judges 6:17: and classical halakhic sources.