Who said "I will never stop fighting for what I believe in."?

This quote is attributed to Daenerys Targaryen.

I will never stop fighting for what I believe in. - Daenerys Targaryen

"I will never stop fighting for what I believe in."

Daenerys Targaryen Perseverance

"I am the blood of Old Valyria. I am the dragon."

"A dragon is not a slave."

"I will take what is mine with fire and blood."

"The night is dark and full of terrors, but so is the day."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."