Who said "I have trained since I was a boy to be a soldier."?

This quote is attributed to Grey Worm.

I have trained since I was a boy to be a soldier. - Grey Worm

"I have trained since I was a boy to be a soldier."

Grey Worm Education

"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."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."