"There is no doubt that jihad has become an inseparable part of Islam. Why? Because the Koran explains it in more than 100 verses. Even the Prophet Muhammad took part in 28 of more than 70 wars..."

http://www.jihadwatch.org/2010/08/there-is-no-doubt-that-jihad-has-become-an-inseparable-part-of-islam-why-because-the-koran-explains.html