Abu Bakr bin Al-Munkadir narrated from Jabir that the Messenger of Allah (s.a.w) said:
"There are three (characteristics) for which whomever has them,Allah will expose His side,and admit him to Paradise:Being courteous to the guest,kind to parents,and doing good for slaves." (JA)
English reference (JA): Vol. 4, Book 11, Hadith 2494 (JA)
Arabic reference (JA): Book 37, Hadith 2682 (JA)