Bin Laden probably believed that the restoration of Sharia law would set things right in the Muslim world , and that all other ideologiesâ '' `` pan-Arabism , socialism , communism , democracy '' â '' must be opposed . Bin Laden believes that the restoration of Sharia law will set things right in the Muslim world , and that all other ideologiesâ '' `` pan-Arabism , socialism , communism , democracy '' â '' must be opposed .