Who said "Death is not an ending; it's a transition."?

This quote is attributed to Sersi.

Death is not an ending; it's a transition. - Sersi

"Death is not an ending; it's a transition."

Sersi Death

"We've been waiting for thousands of years. What's a little longer?"

"I've lived through empires rising and falling. Nothing lasts forever."

"Love is the only thing that transcends centuries."

"Knowledge without compassion is just power."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."