[JZoback]

Moral authority is based on being moral

You'd better hope not, because if so, there's no moral authority in this world.

Of course you are correct.

Let me restate

If you are going to claim being moral authority, you better at least act like you are, or you are a hypocrite

What moral authority does the Catholic Church claim it is principled from?

[Mike Fieschko]

What moral authority does the Catholic Church claim it is principled from?

You freepmailed me back that the better phrasing is

'What moral authority does the Catholic Church claim its principles from?'

A partial answer: in St John 17:18, St Luke 22:29-30.