The hajj is one of the five essential practices of Islam when they make the pilgrimage to Mecca, Muslims ritually act out the central principles of their faith. – Karen Armstrong
In the holy city of Mecca, violence of any kind was forbidden. From the moment they left home, pilgrims were not permitted to carry weapons, to swat an insect or speak an angry word, a discipline that introduced them to a new way of living. – Karen Armstrong