Remove Christianity and Civilization would soon disappear.

[Lemonvariable72]

The Christian purpose in life will never be fully understood ,until it no longer exists on planet earth.

Okay, well here you sorely need a citation.

Remove Christianity from off the earth and you will remove all that is sacred ,ethical , and of reason.

Then how do you explain modern japan? They are easily one of the most technologically and scientifically advanced nations in the world and the number of religious people are well under 40%, with Christianity accounting for less then one percent.

All that is of light and beauty would vanish ;all compassion ,culture and the arts would disappear.

then how do you explain this

That is a sculpture of Apollo that's older then the whole christian religion.

Slowly mankind would revert back to a primitive existence as lived in the primal past and eventually man would return back to his life as bestial vegetation . Soon all life would disappear and the earth would once again mindlessly orbit the sun ,devoid of meaning or purpose.

You what makes us not bestial vegetation? Our minds. Want me to show you the oldest evidence for the human mind as we know?
That right there is evidence of humans using reason and asbtract thought to create art. It is 40'000 years old. Long time since we've "bestial"l I'd say. Men were using reason and sight to creat beautiful works 38'000 year before your filthy religion came along.

Eventually all that we call civilized culture would vanish and be replaced by something resembling the pre-columbian aztec societies where humans were sacrificed and their hearts ripped out.

What makes you so certain of that? Are you aware of what the Renaissance actually was? It was the rediscovery of work by people like Galen, Epicurus, Democritus, Aristophanes, Socrates, Pliny the elder, Pliny the younger, Seneca the younger, Seneca the older, and many more.
Yet every man listed above is a pagan. People with ideas so important that we would not be here without them. Ideas that were enabled and taken in by the non christian societies that harbored these people. In fact I oft wonder how many Einsteins died in a field somewhere without ever getting near a book under christian rule.

The Christian Faith is all that exists, separating modern man from pure barbarism, as practiced today by all the primitive savages throughout the world.

You conflating christian faith and morality. Let me set you straight
http://www.huffingtonpost.ca/craig-and-m...25086.html

Sainty Morris was play-wrestling with his best friend when they got caught. The residential school priests forced the two boys to beat each other bloody.

Another time, Morris helped a younger student hide a puppy. When they were caught -- again-- the priests made them drown the puppy in a sack.

And no matter how minor the infraction, the priests locked Morris in a dark room without food or water for as long as 15 hours. To this day he can't sleep with the lights out.

Every one of these schools was a christian school run by christian people.