וּמַאֲמַ֣ר אֶסְתֵּ֔ר קִיַּ֕ם דִּבְרֵ֥י הַפֻּרִ֖ים הָאֵ֑לֶּה וְנִכְתָּ֖ב בַּסֵּֽפֶר׃ (פ)
And the commandment of Esther confirmed these matters of Purim; and it was written in the book.
Read kabbalistic (mystical) interpretation of Esther 9:32: and classical mystical sources.