Prophet Muhammadﷺ said: Amongst you the best person is the one who has the best morals. It is an act of charity to even look at your brother with a smile. (Tirmidi). Amongst you that person is most dear to me whose morals are the best amongst you. (Bukhari). Prophet Muhammad ﷺ said: Allah Almighty likes two attributes a lot. One is generosity and the other is cheerfulness. It is narrated from Hazrat Ayesha (R.A) that a believer's (Momin’s) good manners earn him the rank of one who fasts continuously & the rank of an Abed. (Abu Dawood).
Hazrat Hamza Bin Sohaib narrates that the Holy Prophet ﷺ said “O Muslims, the better amongst you are those who invite one another for food & greet each other with Salam when you meet.”
The Holy Prophet ﷺ said “Of the things which will be placed in the scales of the believer on the day of judgment, the most weighty will be good manners.”
The Holy Prophet ﷺ said “May Allah have mercy on the one who is gentle when he sells, buys & recovers a loan” (Sahih Bukhari)