What is harder than finding the right answers? Asking the right questions.
In Zen Buddhism, a koan is a short story or question that is simply worth meditating on. There might not necessarily be a single good answer, but the process of contemplating the question itself is a worthwhile pursuit that may lead to sudden insights or enlightenment.
Futurists tend to be "big picture" thinkers. However, some puzzles are too complex for any one of us to solve.
Here are a few....