Bad News About Christianity

How does anyone know what Christianity teaches? Different Churches have different ideas about the answer to this, which is why they disagree about the answer.

So what are the possible answers?

They may be summarised as certain writings, certain oral traditions, and the opinions of certain men (not women). Again different Churches assign different weights to these sources and of course there is scope for disagreement as to which writings count as authoritative, which traditions count as authoritative and which which men to regard as authoritative.

To untangle the mass of different answers that different Churches have adopted, let's take a look at the fill range of possible authorities, and how reliable they are: