The act of 'doing' Right Concentration is what allows you to understand what it means to 'do' so well that you actually learn how to stop doing. That's the karma that puts an end to karma, the intention that allows you to understand intention until you finally get to the point where you can stop.
Mindfulness is where things start, but it can't do all the work. It's only one of the spices on your meditation shelf. This is why it's important to understand precisely what 'mindfulness' means, and how to supplement it with other skillful qualities in the mind.
This talk discusses using skillful effort and energy in our practice, avoiding extremes of too much laxness and too much striving. Explores the unskillful extremes we can engage in with our effort and a skillful middle way that incorporates diligence and balance. Discussed using skillful effort and energy in our practice, avoiding extremes of too much laxness and too much striving.