Purity is not imposed upon us as though it were a kind of punishment it is one of those mysterious but obvious conditions of that supernatural knowledge of ourselves in the Divine which we speak of as faith. Impurity does not destroy this knowledge it slays our need for it.
Talk to people in their own language. If you do it well they'll say 'God he said exactly what I was thinking.' And when they begin to respect you they'll follow you to the death.