And when Moses asked for water for his people , We said : Smite with thy staff the rock . And there gushed out therefrom twelve springs ( so that ) each tribe knew their drinking place . Eat and drink of that which Allah hath provided , and do not act corruptly , making mischief in the earth . {Surah Baqara, Verse 60}
It is narrated on the authority of ('Abdullah) son of Umar (may Allah be pleased with them) that the Holy Prophet (may peace of Allah be upon him) said: (The superstructure of) al-Islam is raised on five (pillars), i. e. the oneness of Allah, the establishment of prayer, payment of Zakat, the, fast of Ramadan, Pilgrimage (to Mecca).