"None of you truly believes until he loves for his (believing) brother what he loves for himself." (Saheeh Al-Bukhari, Saheeh Muslim)
"The believers with the most perfect faith are those with the most perfect conduct and manners. And the best ones amongst you are those who are best to their families." (Al-Tirmidhi)
"On the Day of Resurrection, nothing will be heavier in the scale (of good deeds) of the believer than good conduct. God hates the one who swears and hurls obscenities." (Abu Dawud, Al-Tirmidhi)
"Receiving your friend with a smile is a type of charity and putting some water in your neighbor's bucket is a charity"