Every time we sin in thought, word, or deed, we're essentially saying in that moment that, "I don't need you God. I don't want you God. I like my way better than your way. "
Fundamentalism as it is called is not confined to the Muslim world. It is something that we have seen in different parts of the world. Let us hope that a dialogue between the followers of the three great monotheistic religions could help in putting an end to this.