Who said "Faith in oneself is the only faith that matters."?

This quote is attributed to Drogon.

Faith in oneself is the only faith that matters. - Drogon

"Faith in oneself is the only faith that matters."

Drogon Faith

"I am fire. I am death."

"Dracarys."

"A dragon is not a slave."

"I will burn them all."

"Faith guides me through difficult times."

"Faith is believing when you can't see."

"You have to believe in something, or you'll fall for anything."

"Faith in God and in each other is what sustains us"