الإمام العسكري (عليه السَّلام ):
مَن وَعَظَ أخاهُ سِرّا فَقَد زانَهُ، ومَن وَعَظَهُ عَلانِيَةً فَقَد شانَهُ
Imam Hasan al-‘Askari (as):
He who exhorts his brother in secret has indeed adorned him, and he who exhorts him in public has dishonoured him.