The Prophet’s Methods for Correcting People’s Mistakes

Teaching people is one of the greatest good deeds whose benefits spread to others. It is the daiy’ahs’ and educators’ share of the heritage of the Prophets and Messengers.
Dealing with and correcting mistakes is also a part of sincerity in religion (naseehah) which is a duty on all Muslims.
The connection between this and the concept of enjoining what is good and forbidding what is evil, which is also a duty, is quite obvious