Yes, I will explain this phrase as it is, but I want to tell you a story of a particular caste as a preface and that will follow the subject matter.
In a particular intelligent community in South Gujarat, the superiority complex is an inherited and cultivated character amongst each and every member. They consider themselves, and for that matter oneself individually, superior to all others and all around. This means they are 'the best', have all the worldly knowledge, understands all the subjects and are skilled at the highest in all the matters. They believe whatever they say is the final truth, ultimate truth and truth can not be anything otherwise!
This sense of great ego makes each one believe that all others around are inferior to them, and don't have the same level of intelligence to understand anything. To the extent, one considers others idiots and having low intelligence compared to them.
Now, you can understand this superiority complex of everyone in this com