Read the following paragraph and answer the question. Give ONLY the answer, no other words or explanation.

For example:

Answer: <most likely answer, as short as possible>.

Paragraph: How I wanted so badly to finally have revenge on those who hurt me and treated me like nothing . About how I knew I was destined for something great . I was n't at all sure what greatness I would achieve , but I knew that one day I would do something spectacular . Something that no one else has ever done , or will ever do again .

Question: What may be the reason why they know they will do amazing things ?
They have the drive to attain them .
Belief in their own greatness and desire for revenge.