כִּ֤י אֶצָּק־מַ֙יִם֙ עַל־צָמֵ֔א וְנֹזְלִ֖ים עַל־יַבָּשָׁ֑ה אֶצֹּ֤ק רוּחִי֙ עַל־זַרְעֶ֔ךָ וּבִרְכָתִ֖י עַל־צֶאֱצָאֶֽיךָ׃
For I will pour water upon the thirsty land, And streams upon the dry ground; I will pour My spirit upon thy seed, And My blessing upon thine offspring;
Read halakhic rulings (Jewish law) on Isaiah 44:3 from the Mishneh Torah and classical halakhic sources, free online.