I wouldn't describe my culture as having a sense of superiority, as we're not proud of being superior to the colored people. But we see ourselves as blessed because God gave us greater responsibilities. You could look at humanity as an army and we are the Generals, while the colored people are the foot soldiers.
We don't treat the others as inferior, we actually have the burden of accountability. God said, He will demand more form those to whom He gave more, so if we step out of line we get punished much more than the foot soldier. Leadership comes with much more responsibility, so it's not like we can just Lord it over the others, without consequences
There are many passages of scripture which show that God gave us Israelites special privileges and special blessings .