Who said "Imagination is the only limit to what you can become."?

This quote is attributed to Oberyn Martell.

Imagination is the only limit to what you can become. - Oberyn Martell

"Imagination is the only limit to what you can become."

Oberyn Martell Imagination

"I am the viper. When the time comes, I will strike."

"Elia of Dorne. My sister. You raped her. You murdered her children."

"I want to look the man in the eye and see the fear in his heart."

"The man who passes the sentence should swing the sword."

"Imagination is more powerful than knowledge."

"The world is full of wonders if you know where to look."

"You have the imagination of a child, Lucy"

"The world is full of mysteries waiting to be solved."