דַּבְּר֞וּ עַל־לֵ֤ב יְרֽוּשָׁלִַ֙ם֙ וְקִרְא֣וּ אֵלֶ֔יהָ כִּ֤י מָֽלְאָה֙ צְבָאָ֔הּ כִּ֥י נִרְצָ֖ה עֲוֺנָ֑הּ כִּ֤י לָקְחָה֙ מִיַּ֣ד יְהוָ֔ה כִּפְלַ֖יִם בְּכָל־חַטֹּאתֶֽיהָ׃ (ס)
Bid Jerusalem take heart, and proclaim unto her, that her time of service is accomplished, that her guilt is paid off; that she hath received of the LORD’S hand double for all her sins.
Read halakhic rulings (Jewish law) on Isaiah 40:2: and classical halakhic sources.