Who said "I have no fear, for fear requires vulnerability."?

This quote is attributed to Drogon.

I have no fear, for fear requires vulnerability. - Drogon

"I have no fear, for fear requires vulnerability."

Drogon Courage

"I am fire. I am death."

"Dracarys."

"A dragon is not a slave."

"I will burn them all."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."