It is incumbent upon the one to whom advice has been given by his [Muslim] brother to bear the advice with good thoughts, and to thank him for his advice.
To meet people with a smile and a welcoming face is indeed from the characteristics of Prophethood, and [something which] is contrary to pride and arrogance, and [instead] a cause for friendship and love.
From the indicators of the tenderness of a believer’s heart is that he feels pain at the mishap of his believing brother when he slips up, so much so that it is as if he himself is the one who has slipped up; and he [certainly] does not maliciously rejoice [at his brother’s lapse].
Abu Moosaa al-Ash’aree was eating chicken for lunch, and amongst the people was a man who was sitting, so Abu Moosaa called him over [to join him] for lunch…
In the absence of your brother, make mention of him with what you [yourself] would like to be remembered with, and do not make mention of him with what you [yourself] would not like to be mentioned of yourself.