Narrated Abu Umamah: The Prophet s.a.w. said: I guarantee a house in the surroundings of Paradise for a man who avoids quarrelling even if he were in the right, a house in the middle of Paradise for a man who avoids lying even if he were joking, and a house in the upper part of Paradise for a man who made his character good.
[Hadith from Sunan Abu Dawud, Book No. 41: Kitab al-Adab, Hadith No. 4782]