Who said "In the darkest times, we must be each other's light."?

This quote is attributed to Missandei.

In the darkest times, we must be each other's light. - Missandei

"In the darkest times, we must be each other's light."

Missandei Friendship

"I am Missandei of Naath, interpreter and advisor to the Dragon Queen."

"Daenerys Targaryen chose to free us, not because she needed us, but because it was right."

"Knowledge is power, but wisdom is knowing how to use it."

"I have served many masters, but I chose to serve the Mother of Dragons."

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."