Who said "Adventure is for those who fear boredom more than death."?

This quote is attributed to Moriarty.

Adventure is for those who fear boredom more than death. - Moriarty

"Adventure is for those who fear boredom more than death."

Moriarty Adventure

"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."

"The greatest adventure is life itself."

"The adventure of life begins with a single step."

"Adventure finds you when you stop running."

"Fortune and glory, kid."