Who said "The real mystery isn't the ghost - it's who's behind the mask."?

This quote is attributed to Fred Jones.

The real mystery isn't the ghost - it's who's behind the mas... - Fred Jones

"The real mystery isn't the ghost - it's who's behind the mask."

Fred Jones Truth

"Let's split up and look for clues."

"There's got to be a logical explanation for all of this."

"I have a plan that just might work."

"We make a pretty good team, don't we gang?"

"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."