If the present civilisation does not acquire some stable moral fondations ("bases morales stables", Fr.), its existence will hardly be more assured than that of the civilisations that have preceeded it, and which have fallen (or collapse, or failed).
Muhammad has always been standing higher than the Christianity. He does not consider god as a human being and never makes himself equal to God. Muslims worship nothing except God and Muhammad is his Messenger. There is no any mystery and secret in it.