וַיֹּ֣אמֶר לְנַעֲר֔וֹ רֻ֗ץ מְצָ֥א נָא֙ אֶת־הַ֣חִצִּ֔ים אֲשֶׁ֥ר אָנֹכִ֖י מוֹרֶ֑ה הַנַּ֣עַר רָ֔ץ וְהֽוּא־יָרָ֥ה הַחֵ֖צִי לְהַעֲבִרֽוֹ׃
And he said unto his lad: ‘Run, find now the arrows which I shoot.’ And as the lad ran, he shot an arrow beyond him.
Read halakhic rulings (Jewish law) on I Samuel 20:36: and classical halakhic sources.