Principle number 25 of Basic Elements of Islam: The explicit use of double standards. Islam has one standard for Muslims, and a different standard for non-Muslims, which always gives the advantage to Muslims and within a Muslim country, it provides incentives to convert.
For example, Islam must be spread by its believers, wherever they are. But when others try to spread their religions, Muslims are supposed to see it as an aggression against Islam — an act of aggression that must be "defended." Islam must always be defended.
As another example, when Islam is defamed in any way, Muslims should violently defend it. Even in a cartoon. But Muslims can and should defame Jews and Christians in Muslim newspapers and television, and they should defame any infidel or enemy, as they defame the U.S. today.
Here's another example: The Islamic supremacists of Saudi Arabia are pouring money into building mosques all over the free world. But according to Sharia law, which is the law in Saudi Arabia, no non-Muslim religious structures are allowed to be built.
Yet Muslims all over the world protest loudly and violently when anyone in Europe or America resists the building of more mosques in their countries.
Islamic supremacists don't see the irony in it. They don't feel strange having such an obvious double standard. They are, after all, Allah's followers and everyone else is deluded. Fairness and equality with such unworthy infidels would seem very out of place. A double standard seems completely appropriate from that perspective.
The double standard principle is a key part of the idea-collection, and it has been a great advantage in the spread of Islam (and the suppression of competing religions).
Sixty-one percent of the Quran is about non-Muslims and how to deal with them. Not one verse in the Quran about non-Muslims is positive (source).