Who said "My enemies thought they could break me. They were wrong."?

This quote is attributed to Daenerys Targaryen.

My enemies thought they could break me. They were wrong. - Daenerys Targaryen

"My enemies thought they could break me. They were wrong."

Daenerys Targaryen Strength

"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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."