A yeshiva which truly serves God should be perfectly happy if a pupil feels more comfortable elsewhere. Messianic redemption repeats Mosaic redemption. Isaiah's prophecy about the lion and the lamb lying together isn't supernatural, but simply a metaphor for Israel and the nations. Brilliant distorted Sabbatean Nathan of Gaza, possible author of the Tu B'shvat seder and a kabbalat shabbat prayer, tried to so approach the Pope. The eschatological apocalyptic era is a much later stage, involving revival of the dead for a thousand year curtain call, followed by a world of pure soul and spirit, per Rambam.
Human speech raises man far above animals.
By it, he can draw others to God's Imminent Presence, Shchina, and to eternal life. In the general panic to escape from the massacres, my grandfather was separated from his family and from his young wife, who remained with her father. The latter had fled the land with his son and wife, so that they should not be swallowed up in this pit of sorrow. The hooligans caught up with my grandfather, Rabbi Yaakov of blessed memory, after killing many, and destroying a number of Jewish communities, sparing no one. When they came upon my grandfather, their leader ordered him to kneel down in front of his sword, to behead him.