Who said "Inspiration is found in the destruction of old chains."?

This quote is attributed to Drogon.

Inspiration is found in the destruction of old chains. - Drogon

"Inspiration is found in the destruction of old chains."

Drogon Inspiration

"I am fire. I am death."

"Dracarys."

"A dragon is not a slave."

"I will burn them all."

"The best part of living is knowing you survived."

"The world needs heroes."

"Life is too short to live poorly."

"I'd rather be an optimist and be wrong than a pessimist and be right"