“The monkeys solved the puzzle simply because they found it gratifying to solve puzzles. They enjoyed it. The joy of the task was its own reward.”
“Not every puzzle is intended to be solved. Some are in place to test your limits. Others are, in fact, not puzzles at all...”
“collecting secrets was and is crucial to solving foreign policy puzzles.”
“He was a mystery to unravel, a puzzle I desperately wanted to solve.”
“If you can't solve the puzzle, you're nothing but a loser. (Near)”
“Every mystery ever solved had been a puzzle from the dawn of the human species right up until someone solved it.”