Hassan Al-Banna wrote in 1934 that
“it is a duty incumbent on every Muslim to struggle towards the aim of making every people Muslim and the whole world Islamic, so that the banner of Islam can flutter over the earth and the call of the Muezzin can resound in all the corners of the world: God is greatest [Allahu akbar]!
--quoted in the Washington Post, Aug. 19, 2004.
Hamas leader Mahmoud Zahar:
“… the march of resistance will continue until the Islamic flag is raised, not only over the minarets of Jerusalem, but over the whole universe,"
-- quoted by the Associated Press Jan. 15, 2004.