2 Corinthians 12. The Apostle Paul described his vision of paradise and his thorn in the flesh (“for when I am weak, then I am strong”.) The marks of an Apostle are signs, wonders and miracles, and Paul displayed his love for the Church.
Isaiah 26 is a song of praise full of Messianic prophecy. The song has many words with double meanings, one obvious and one prophetic.
Isaiah 27 promises the deliverance of Israel.