It seemed to him that he knew instinctively who would survive and who would perish: though just what it was that made for survival, it was not easy to say.
Not in the individual mind, which can make mistakes, and in any case soon perishes: only in the mind of the Party, which is collective and immortal.
Ah, it was more than a Eurasian army that had perished!
There were further angry demonstrations, Goldstein was burned in effigy, hundreds of copies of the poster of the Eurasian soldier were torn down and added to the flames, and a number of shops were looted in the turmoil; then a rumour flew round that spies were directing the rocket bombs by means of wireless waves, and an old couple who were suspected of being of foreign extraction had their house set on fire and perished of suffocation.
There are no more uses of "perish" in the book.
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...government of the people, by the people, for the people shall not perish from the earth.