Unity in Christ?

"Jesus said the gates of Hell would not overcome His church (Matthew 16:18). He declared that it cannot be destroyed. So where has it been all those years since the first century? Of course, it is not necessary to be able to trace an unbroken history of the Lord's body in order to show that it has existed since the first century.
"Many years ago when a group of archae­olo­gists first opened an Egyptian pyramid, they found a large pottery jar full of wheat in the burial chamber dating back to about the time of Joseph, which made it more than 3,500 years old. They realized that if they planted some of it - and if it grew - they could produce the very same kind of wheat which had been grown in Egypt about the time that pyramid was constructed.
"The archae­olo­gists planted some of the wheat - and when it was ex­posed to the soil in the presence of moisture and warmth from the sun, it germinated and grew! So it was not necessary to have an unbroken chain of 3,500 annual wheat harvests in order to grow the same kind of wheat that Joseph and Pharaoh had known...."