Who said "Hope is the last ember when all else is ash."?

This quote is attributed to Drogon.

Hope is the last ember when all else is ash. - Drogon

"Hope is the last ember when all else is ash."

Drogon Hope

"I am fire. I am death."

"Dracarys."

"A dragon is not a slave."

"I will burn them all."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."