Feed the poor
&
greet whom you know
&
whom you dont know
Assalammualaikum warahmatullah wabarakatuh brothers and sisters in islam.
Sahih Al - Bukhari HadithVolume 1, Book 2, Number 9:
Narrated 'Abdullah bin 'Amr: The Prophet (sallalahu alayhi wa salam) said, "A Muslim is the one who avoids harming Muslims with his tongue and hands. And a Muhajir (emigrant) is the one who gives up (abandons) all what Allah has forbidden."
Sahih Al - Bukhari HadithVolume 1, Book 2, Number 11:
Narrated 'Abdullah bin 'Amr: A man asked the Prophet (sallalahu alayhi wa salam) , "What sort of deeds or (what qualities of) Islam are good?" The Prophet replied, 'To feed (the poor) and greet those whom you know and those whom you do not Know
Sahih Al - Bukhari HadithVolume 1, Book 2, Number 20: Narrated Anas: The Prophet (sallalahu alayhi wa salam) said, "Whoever possesses the following three qualities will taste the sweetness of faith: 1. The one to whom Allah and His Apostle become dearer than anything else. 2. Who loves a person and he loves him only for Allah's sake. 3. Who hates to revert to disbelief (Atheism) after Allah has brought (saved) him out from it, as he hates to be thrown in fire."
Sahih Bukhari HadithVolume 1, Book 2, Number 30: Narrated Al-Ahnaf bin Qais:
While I was going to help this man ('Ali Ibn Abi Talib), Abu Bakra met me and asked, "Where are you going?" I replied, "I am going to help that person." He said, "Go back for I have heard Allah's Apostle saying, 'When two Muslims fight (meet) each other with their swords, both the murderer as well as the murdered will go to the Hell-fire.' I said, 'O Allah's Apostle! It is all right for the murderer but what about the murdered one?' Allah's Apostle (sallalahu alayhi wa salam) replied, "He surely had the intention to kill his companion."