Who said "Slavery is an abomination that I will end."?

This quote is attributed to Daenerys Targaryen.

Slavery is an abomination that I will end. - Daenerys Targaryen

"Slavery is an abomination that I will end."

Daenerys Targaryen Justice

"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."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."