Why Didn’t Abraham Teach Hajj to His Children through Isaac?

From Islam’s point of view a Muslim’s faith, if it is real and sincere, should express itself in action and regular practice. The Five Pillars instill into the Muslims as a community (Ummah), a unity of outward form and internal spirit. And the Hajj is a unique manifestation of this unity of the Muslim Ummah centered on the Ka’abah in Makkah.more:  .onislam.