The papers are signed by their various authors/compilers. Other religious writings have various authors. The books in the bible have theirs, yet some are contested, assumed, speculated or unknown.
Jesus gave his life as a sacrifice of love....and as God's Son continues to bestow his love. All God's servants do his will. We've addressed the blood atonement theory already. Use the thread search feature.
All you are doing is cutting out what parts of the Bible you do not want to accept. You are not speaking any kind of knowledge about God.
You believe in other people's teachings; people who did not die for you.