We have good reasons to include the resurrection as a key teaching even if we personally hope to survive the great tribulation and live on earth forever.
وَتُخْبِرُ عَنِ ٱلْوَعْدِ بِحَيَاةٍ أَبَدِيَّةٍ فِي ٱلْفِرْدَوْسِ عَلَى ٱلْأَرْضِ .‏