Who said "We build empires, but we must build them on justice."?

This quote is attributed to Grey Worm.

We build empires, but we must build them on justice. - Grey Worm

"We build empires, but we must build them on justice."

Grey Worm Justice

"I am Grey Worm. I have no name."

"Unsullied do not fear death."

"We are the dragons' soldiers."

"A soldier's duty is to obey."

"Justice must always prevail."

"You think I'm just some animal?"

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

"Justice is worth fighting for."