Esther 6:13
And Haman told Zeresh his wife and all his friends every thing that had befallen him. Then said his wise men and Zeresh his wife unto him, If Mordecai be of the seed of the Jews, before whom thou hast begun to fall, thou shalt not prevail against him, but shalt surely fall before him.
Cross-reference
Esther 5:10–14
Contrast
Esther 5:10-14 shows Haman's wife and friends advising him to kill Mordecai — here in 6:13 they reverse course, predicting his fall.
Job 18:8
Related theme
Job 18:8 says the wicked are caught in their own net — Haman is ensnared by the plot he devised for Mordecai, as his wise men foresee his fall.
Psalm 129:5
Related theme
Psalm 129:5 prays for shame on those who hate Zion — Haman, who hates the Jews, is being put to shame as his wise men predict his fall.
Proverbs 28:18
Related theme
Proverbs 28:18 warns that the crooked will suddenly fall — exactly what Haman's wise men predict for him against Mordecai.