Isaiah 41:6 Halakhah

אִ֥ישׁ אֶת־רֵעֵ֖הוּ יַעְזֹ֑רוּ וּלְאָחִ֖יו יֹאמַ֥ר חֲזָֽק׃

They helped every one his neighbour; And every one said to his brother: ‘Be of good courage.’

Read halakhic rulings (Jewish law) on Isaiah 41:6: and classical halakhic sources.