You do not need to tell everyone what you're up or who you think you're going to be. Just show them.
"Compuse them with your silence, and shock them with your results"
I can only say that you  don't have to let them know, who you are, what you are and what you will become, let them know you in that way how to recognize you by your actions.
let what people wants to say, don't listen to their negative comments about you. Keep silence until they see that you are successful.