Buddhism is a house full of treasures - practices for gaining the happiness of future lives, the bliss of liberation and the supreme happiness of enlightenment - but knowing the difference between Dharma and non-Dharma practices is the key that opens the door to all those treasures. No matter how much we know about emptiness, the chakras or controlling our vital energy through kundalini yoga, it's all pointless without this crucial understanding of how to practice Dharma, how to correct our acti