"Birds fly, fish swim, man thinks and learns. Therefore, we do not need to motivate children into learning by wheedling, bribing or bullying. We do not need to keep picking away at their minds to make sure they are learning. What we need to do, and all we need to do, is bring as much of the world as we can into the school and classroom (in our case, into their lives); give children as much help and guidance as they ask for; listen respectfully when they feel like talking; and then get out of the way. We can trust them to do the rest."
(John C. Holt, from How Children Learn)