Who said "Logic is the only truth that matters in this world."?

This quote is attributed to Moriarty.

Logic is the only truth that matters in this world. - Moriarty

"Logic is the only truth that matters in this world."

Moriarty Truth

"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."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."