Anyway, it is essential to start recognizing the fact. Then, when those who believe in the truth meet those who believe in the truth in a different way, the former should not merely justify their own truth while excluding the truth of the latter, but should make an effort to listen to the truth of the other and share their own truth with them. The basis of religion is the individual. It is individuals who are concerned about ultimate truth. Nevertheless, religions are made up of groups.
Individual commitment leads to loyalty to the group.
The aim of religious missions is to lead someone to join a group to which one already belongs. One can be aware of the issue of the relationship between this commitment and loyalty in many religious groups. Recent crimes by the Oum Shinrikyo shed light on this particular matter. You could see the ultimate self-absoluteness, and intolerance in the fact that Oum did missions as a way of spreading its own group, increasing loyalty to it, and preventing people from dropping out of the group. From that point, co-operation and dialogue with other religions is born.