Simplify the following text for a Grade 8 native English-speaking person.
Original: The song was inspired by Ray Kurzweil 's book , The Age of Spiritual Machines nad was written as more of a retort to Kurzweil 's predictions which Raine noticed did n't involve the human spirit as a factor .
Simplified: This song like many others on the album , were inspired by Ray Kurzweil 's book The Age of Spiritual Machines . According to Raine , it was written as more of a retort to Kurzweil 's predictions which Raine noticed did n't involve the human spirit as a factor . '' . .