The more you get into any religion it becomes the same. It really becomes how you treat other people and how you get outside yourself. How you look to help other people and how you get out of this 'I me mine' type of thing.
It appears to be in the nature of religion itself to be prejudiced against those who are different.
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Basically fundamentalism is a modern phenomenon. In the same way that Hitler evoked a mythological religion of German purity and the glory of the past the Islamists use religion to evoke emotions and passions in people who have been oppressed for a long time in order to reach their purpose.