Jesus never promised a utopian materialist kingdom on earth. The physical life on this earth will exist. But the material things we see are temporal. The life beyond this earth is eternal and spiritual. Jesus said my kingdom is in heaven.
Spirituality is an inner experience on earth indirectly.
In Heaven, we will experience the presence of God directly. The condition is - are we experiencing the realized presence of God on this earth. Sushil George is working in Dubai, United Arab Emirates. He was a former dispensationlist and presently he has a deep interest in Preterist eschatological views.