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

This quote is attributed to Moon Knight.

I've learned that the only constant is change... and pain. - Moon Knight

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

Moon Knight Change

"I'm not sick. I'm not crazy. I'm just awake."

"The only way to deal with the darkness is to become the darkness."

"We all have our demons. Mine just happen to be more literal."

"Sleep is for people without problems."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."