וַיֹּ֖אמֶר לֵ֣ךְ דָּנִיֵּ֑אל כִּֽי־סְתֻמִ֧ים וַחֲתֻמִ֛ים הַדְּבָרִ֖ים עַד־עֵ֥ת קֵֽץ׃
And he said: ‘Go thy way, Daniel; for the words are shut up and sealed till the time of the end.
Read midrashic interpretation of Daniel 12:9: and classical rabbinic exegesis.