For two thousand years, Christians have been waiting for the second coming of Christ. Predictions of the day have come and gone countless times. People have given away all of their possessions and eagerly awaited the appearance in magical clouds with angels and trumpets. But, as we know, that has not happened.
Over the years, I have pondered this escatology. It seems more in line with Greek and Roman gods than with the Jesus I know in the Sermon on the Mount.
I have done a lot of study, trying to understand the first century, trying to get back to the original Jesus before speculations from men piled upon him and hardened into dogma - before the fights and intrigue, and sometimes murder and war over theological ideas.
Dr. James Tabor suggests the closest we can come to the historical Jesus is Q (the material in Matthew and Luke and not in Mark), the book of James, and the Didache. These are before the Pauline idea took hold that it was only about his death and resurrection, not about his life and teaching. Q is the Sermon on the Mount and on the Plain, parables, one liners, etc. It is the Jesus that has framed my life.
I have a theory about the second coming, maybe a stretch for you who are "reular" Christians. In Luke Jesus says that you have looked "lo here and lo there" but the Kingdom is within you. I think the second coming is when we open our hearts to the teachings of Jesus, letting them guide our lives, doing our best to be like him, letting the Divine Light of Christ fill us, lead us, and instruct us. It is when we become followers of The Way, the Sacred Way, so much so that we embody it.
When we say "Marantha" - we really say come into my heart Lord Jesus.