One of the most important things the Messenger of Allah (pbuh&hp) did was reviving the spirit of being open to advice in people; people who were at the peak of arrogance and were inflicted by a variety of moral vices. When the spirit of being open to advice was revived, men and women frequently referred to Prophet and asked him for advice and preach.
If all advice of the Holy Prophet to individuals are accumulated and are explained, it is a comprehensive culture and a complete educative school
source : erfan.ir