קֵ֤ץ ׀ שָׂ֤ם לַחֹ֗שֶׁךְ וּֽלְכָל־תַּ֭כְלִית ה֣וּא חוֹקֵ֑ר אֶ֖בֶן אֹ֣פֶל וְצַלְמָֽוֶת׃
Man setteth an end to darkness, And searcheth out to the furthest bound The stones of thick darkness and of the shadow of death.
Read halakhic rulings (Jewish law) on Job 28:3: and classical halakhic sources.