Lamentations 3:2 Halakhah

אוֹתִ֥י נָהַ֛ג וַיֹּלַ֖ךְ חֹ֥שֶׁךְ וְלֹא־אֽוֹר׃

He hath led me and caused me to walk in darkness and not in light.

Read halakhic rulings (Jewish law) on Lamentations 3:2: and classical halakhic sources.