The secret to learning anything by Albert Einstein.

Here.

That is how you become good at anything. Compare that to our methods and I think you will see why we fail. We cannot be a strong chess Nation so long as we allow for the back door boys, so long as we don't have the correct training. Very honestly and I kid you not; you cannot win in chess if you practice Chor Tai Ti. Here.

This is another take. Here.