לָכֵ֗ן כֹּֽה־אָמַ֤ר יְהוָה֙ עַל־אַנְשֵׁ֣י עֲנָת֔וֹת הַֽמְבַקְשִׁ֥ים אֶֽת־נַפְשְׁךָ֖ לֵאמֹ֑ר לֹ֤א תִנָּבֵא֙ בְּשֵׁ֣ם יְהוָ֔ה וְלֹ֥א תָמ֖וּת בְּיָדֵֽנוּ׃ (ס)
Therefore thus saith the LORD concerning the men of Anathoth, that seek thy life, saying: ‘Thou shalt not prophesy in the name of the LORD, that thou die not by our hand’;
Read halakhic rulings (Jewish law) on Jeremiah 11:21: and classical halakhic sources.