vIslam never tolerates aggression from its own side or from any other side, nor does it entertain aggressive wars or the initiation of aggressive wars.  Muslims are commanded by God [in the Qur’an] not to begin hostilities.
--Hammudah Abdulati, Islam in Focus, American Trust Publications, London, 1975 , p. 142.
Jenkins, Mar 2003
Concepts of Jihad
Differing Opinions on Jihad