Hadith

 Sahih Bukhari  صحیح بخاری

Hadith # 8

Translation:

Narrated Ibn Umar (RA) : Allahs Apostle ﷺ said: Islam is based on (the following) five (principles): 

1. To testify that none has the right to be worshipped but Allah and Muhammad  ﷺ  is Allahs Apostle. 

2. To offer the (compulsory congregational) prayers dutifully and perfectly. 

3. To pay Zakat (i.e. obligatory charity). 

4. To perform Hajj. (i.e. Pilgrimage to Makkah) 

5. To observe fast during the month of Ramadan.