Who said "Death is simply the end of a game."?

This quote is attributed to Moriarty.

Death is simply the end of a game. - Moriarty

"Death is simply the end of a game."

Moriarty Death

"You see, but you do not observe. The distinction is quite clear."

"I am not a puzzle to be solved; I am the one who solves."

"The world is full of obvious things which no one by any chance ever observes."

"Crime is common. Logic is rare."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."