Hisgalus 14:13

And I heard a kol (voice) out of Shomayim saying, “Write: ‘Ashrey (Happy are) are the mesim (dead ones), the ones dying in Adoneinu, from now on.’ ‘Ken,’ says the Ruach Hakodesh, ‘so that they will rest from their ma'asim, for the ma'asim of them follow them.’”