[Matthew Shea]

I'm not sure I agree, febflake. Those with a superiority complex don't act agressively, at least not in a physical way. They'll proselytize 'till they're blue in the face because they're SOOOO convinced that you're wrong and they're determined to make you see the light. Superiority means that a person sees himself as being above someone else's level and violence, we'll all agree, whether it's real, threatened or merely implied, is at one of the lowest possible levels.

Insecurity is what causes people to lash out. It's a fear reaction based on a strong desire to remove oneself from a threatening situation. Those who are secure in themselves, including those who think they're all that and a bag of Doritos (superiority complex), aren't threatened by others who are different, although they may want to change them.