Well you should. You're obviously a bright lad so ignoring one of the most important institutions in human history will leave you lacking in a full understanding of the world we live in.As an atheist, I couldn't give a fupp one way or the other.
The Bishop is an important chess piece.
The Vatican flag has two keys on it. One too represent the key to this world, the other represents the key to the next life.
The bible is a philosophical book.
Christianity destroyed the evil that was the Roman Empire. Christianity offered the slaves of the Roman Empire a promise, a promise of life after death. The Romans killed the Christians, they fed them to the lions.
Constantine converted to Chrstianity.
Your atheism doesn't impress me.
I see it as a sign of weakness.