This paper is based on part twelve of lectures delivered by the author in Muharram 1428/ January 2007 in London. Parts one to ten have been covered in previous issues. Part eleven was delivered on the Day of Ashura about Imam Husayn (a) and remembrance of God and will be published separately.This part delves further into the state of affairs after the return of Imam Mahdi, such as establishing universal brotherhood, peace and love.