Who said "The darkness I have seen has taught me to value light."?

This quote is attributed to Grey Worm.

The darkness I have seen has taught me to value light. - Grey Worm

"The darkness I have seen has taught me to value light."

Grey Worm Wisdom

"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."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."