In 2006, a Danish newspaper sparked a global controversy by publishing a series of offensive drawings of Prophet Muhammad, peace be upon him and his progeny. Protests and violence erupted around the world, amidst a vigorous debate about freedom and responsibility. His Highness Prince Karim Aga Khan IV spoke about the need for more pluralistic societies in the following excerpts of this speech at the University of Evora in Portugal on 12 February 2006.