BELIEVE in God and His Apostle, and spend on others out of that of which He has made you trustees: or, those of you who have attained to faith and who spend freely [in God’s cause] shall have a great reward.
Al-Hadid (Iron) Verse 7
I heard Allah's Apostle saying, "whoever desires an expansion in his sustenance and age, should keep good relations with his Kith and kin.
Sahih Bukhari: Volume 3, Book 34, Number 281