I love how pointless ethnocentrism is. You truly are God's fools to think you're different. Human nature is fairly inate, that betwixt another's fate, little would change.
Pointless murder is a mere escape from the fact that you, yourself are no different in quality. Beliefs are beliefs. What difference does it make if we differ there. My beliefs shouldn't affect you nor should yours me.
At any rate, agree to disagree, and peacefully coexist without pushing your idealisms on others. Then eventually you may discuss rationally your idealisms with others and come to some conclusion. Beliefs change all the time, but there is usually some unbreakable core that they all stem from.