Who said "I will not hide behind walls while my enemies prosper."?

This quote is attributed to Daenerys Targaryen.

I will not hide behind walls while my enemies prosper. - Daenerys Targaryen

"I will not hide behind walls while my enemies prosper."

Daenerys Targaryen Courage

"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."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."