I will show you how great I am

Greatness is a concept of a state of superiority affecting a person, object, or place. Greatness can also be referred to individuals who possess a natural ability to be better than all others. The concept carries the implication that the particular person or object, when compared to others of a similar type, has clear advantage. As a descriptive term it is most often applied to a person or their work, and may be qualified or unqualified.