Who said "I've learned that change is the only constant."?

This quote is attributed to Ghost.

I've learned that change is the only constant. - Ghost

"I've learned that change is the only constant."

Ghost Change

"I'm not trying to hurt anyone. I just want to exist."

"You took everything from me. My body, my life, my choice."

"I understand pain. I've lived it every second since the accident."

"Time moves differently when you're phased between dimensions."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."