וַיַּבֵּ֧ט הַפְּלִשְׁתִּ֛י וַיִּרְאֶ֥ה אֶת־דָּוִ֖ד וַיִּבְזֵ֑הוּ כִּֽי־הָיָ֣ה נַ֔עַר וְאַדְמֹנִ֖י עִם־יְפֵ֥ה מַרְאֶֽה׃
And when the Philistine looked about, and saw David, he disdained him; for he was but a youth, and ruddy, and withal of a fair countenance.
Read halakhic rulings (Jewish law) on I Samuel 17:42: and classical halakhic sources.