Ibn 'Abbas informed Ibn az-Zubayr, "I heard the Prophet, may Allah bless him and grant him peace, say, 'He is not a believer whose stomach is filled while his neighbor goes hungry.'"  

سَمِعْتُ النَّبِيَّ ﷺ يَقُولُ لَيْسَ الْمُؤْمِنُ الَّذِي يَشْبَعُ وَجَارُهُ جَائِعٌ