Who said "Death and I have an understanding. We're old friends."?

This quote is attributed to Moon Knight.

Death and I have an understanding. We're old friends. - Moon Knight

"Death and I have an understanding. We're old friends."

Moon Knight Death

"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."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."