Great quote from page 181 of ‘What’s So Great About Christianity’ by Dinesh D’Souza.
Ours is a world of appearances only, a transient world that is dependent on a higher, timeless reality. That reality is of a completely different order from anything that we know, it constitutes the only permanant reality there is, and it sustains our world and presents it to our senses. Christianity teaches that while reason can point to the existence of this higher domain, this is where reason stops: it cannot on its own investigate or comprehend that domain. But one day, it is promised, when our earthly journey is over, we will know the higher realm and see things as they realy are.