“The mind is more like a muscle than we once believed. It is something that must be constantly exercised to attain and maintain peak fitness. Just as an athlete must train harder and harder as he or she matures, so children must think with greater and greater complexity as they pass through school.”

“The mind is more like a muscle than we once believed. It is something that must be constantly exercised to attain and maintain peak fitness. Just as an athlete must train harder and harder as he or she matures, so children must think with greater and greater complexity as they pass through school.”

— James R. Flynn