Subalit, bago pa man iyon, ang kalakhang bahagi ng bansa noong panahon mismo ni Isaias ay nalalambungan na ng espirituwal na kadiliman, isang katotohanan na nagpakilos sa kaniya upang himukin ang kaniyang mga kababayan: “O mga tao ng sambahayan ni Jacob, pumarito kayo at lumakad tayo sa liwanag ni Jehova”! —Isaias 2:5; 5:20.
However, even before that, in Isaiah’s own day, much of the nation was already shrouded in spiritual darkness, a fact that moved him to urge his fellow countrymen: “O men of the house of Jacob, come and let us walk in the light of Jehovah”! —Isaiah 2:5; 5:20.jw2019 jw2019