וְהַנַּ֧עַר שְׁמוּאֵ֛ל מְשָׁרֵ֥ת אֶת־יְהוָ֖ה לִפְנֵ֣י עֵלִ֑י וּדְבַר־יְהוָ֗ה הָיָ֤ה יָקָר֙ בַּיָּמִ֣ים הָהֵ֔ם אֵ֥ין חָז֖וֹן נִפְרָֽץ׃ (ס)
And the child Samuel ministered unto the LORD before Eli. And the word of the LORD was precious in those days; there was no frequent vision.
Read halakhic rulings (Jewish law) on I Samuel 3:1: and classical halakhic sources.