Midrasz do Daniela 12:4

Another comment on Then He openeth the ears of men: This verse alludes to Daniel, to whom the Holy One, blessed be He, revealed the time of redemption.⁹Megillah 3a. The Book of Daniel contains intimations concerning the Messianic age. By their chastisement sealeth the decree similarly refers to Daniel, for He said to him: And thou, Daniel, shut up the words and seal the book (Dan. 12:4). Another comment on Then He openeth the ears of men: This verse refers to our patriarch Jacob, to whom the Holy One, blessed be He, revealed the time of redemption. Jacob indicated that he wished to disclose this information to his sons, when he said to them: Gather yourselves together, so that I may tell you that which shall befall you in the end of days (Gen. 49:1). However, the Holy One, blessed be He, sealed up his lips to restrain him from doing so. Hence, it says: Their chastisement sealeth the decree.