מִכְתָּ֖ב לְחִזְקִיָּ֣הוּ מֶֽלֶךְ־יְהוּדָ֑ה בַּחֲלֹת֕וֹ וַיְחִ֖י מֵחָלְיֽוֹ׃
The writing of Hezekiah king of Judah, when he had been sick, and was recovered of his sickness.
Read kabbalistic (mystical) interpretation of Isaiah 38:9: and classical mystical sources.