مَن وَعَظَ أخاهُ سِرّاً فَقَدْ زانَهُ، وَمَن وَعَظَهُ عَلانِیَةً فَقَدْ شانَهُ.
Whoever advises his fellow brother in hidden, in fact adorns him and whoever advices his fellow brother apparently, indeed degrades him.