The Banishment - 59:9
Those who had a home and a faith before them love those who emigrated to them and do not feel bitterness in their hearts because of what they have given. Even if they themselves are in need, they put them before themselves. Indeed, those who are protected from the selfishness of their souls are the saved.
Related:
The Family Of Imran/3:134
Those righteous who spend money to help in plenty and in want, control their anger, and overlook people´s faults. Allah loves those who do good.
The City/90:14
To feed in times of famine:
The Repentance/9:79
Those who criticize the generosity of the believers who give voluntarily and mock the poor who cannot give much, Allah will humiliate them. For them is a painful torment.