כִּ֤י חַטַּאת־קֶ֙סֶם֙ מֶ֔רִי וְאָ֥וֶן וּתְרָפִ֖ים הַפְצַ֑ר יַ֗עַן מָאַ֙סְתָּ֙ אֶת־דְּבַ֣ר יְהוָ֔ה וַיִּמְאָסְךָ֖ מִמֶּֽלֶךְ׃ (ס)
For rebellion is as the sin of witchcraft, And stubbornness is as idolatry and teraphim. Because thou hast rejected the word of the LORD, He hath also rejected thee from being king.’
Read halakhic rulings (Jewish law) on I Samuel 15:23: and classical halakhic sources.