Vice President Mohammad Hamid Ansari on Monday released the book based on the collection of selective speeches of Deputy Chairperson of Rajya Sabha Rehman Khan in New Delhi .The book Expression of Thoughts and its Urdu version Izhaar-e-Khayal covers Mr. Khan's speeches on communal harmony, inclusive growth of the country and upliftment of minorities. Speaker of Lok Sabha Meira Kumar, several ministers and members of Parliament were also present on the occassion.