Muslims have to fight to establish the halal. They need to do this as a Jamma, nothing can be done as isolated individuals who go to the masjid 5 times a day but lack leadership and unity in their other affairs. Muslims need to be aware of the world they are living in and how it works so they can devise strategies and tactics of not just survival but prosperity and growth. They need to know that if they remain as they are in Europe especially they have little hope of progressing beyond just being immigrants. Immigrants can alter the host society for the better, Muslims can alter Europe if we learn about Europe and work to establish Islam.