וַיֹּ֙אמֶר֙ הִנְנִ֣י מוֹדִֽיעֲךָ֔ אֵ֥ת אֲשֶׁר־יִהְיֶ֖ה בְּאַחֲרִ֣ית הַזָּ֑עַם כִּ֖י לְמוֹעֵ֥ד קֵֽץ׃
And he said: ‘Behold, I will make thee know what shall be in the latter time of the indignation; for it belongeth to the appointed time of the end.
Read kabbalistic (mystical) interpretation of Daniel 8:19: and classical mystical sources.