כִּ֣י כָל־הַיָּמִ֗ים אֲשֶׁ֤ר בֶּן־יִשַׁי֙ חַ֣י עַל־הָאֲדָמָ֔ה לֹ֥א תִכּ֖וֹן אַתָּ֣ה וּמַלְכוּתֶ֑ךָ וְעַתָּ֗ה שְׁלַ֨ח וְקַ֤ח אֹתוֹ֙ אֵלַ֔י כִּ֥י בֶן־מָ֖וֶת הֽוּא׃ (ס)
For as long as the son of Jesse liveth upon the earth, thou shalt not be established, nor thy kingdom. Wherefore now send and fetch him unto me, for he deserveth to die.’
Read halakhic rulings (Jewish law) on I Samuel 20:31: and classical halakhic sources.