Book excerpt: The Vajrayana system of Tibetan Buddhism has many techniques, few difficulties and is meant for people of higher capabilities. Because each of us possesses the enlightened essence, when many people participate in a great accomplishment practice, then many enlightened essences are gathered together in one place. Hence, practice will be more effective. If we have recognized and realized our enlightened essence, then circumstances will be perfect. Even if we have not, if we participate in the practice and stay within the environment, there will be great benefit. The Vajrayana system has many techniques and skillful means for clearing away the impurities that prevent us from fully realizing our buddha nature. If we weren't already endowed with this pure gold, the buddha nature, but instead possessed mere brass, we could polish and clean as much as possible, but the brass would never turn into gold. Nevertheless, since we already have a divine nature, then if we engage in the development, recitation and completion stage practices, which act like a polish, we can realize what we actually are. The Great Accomplishment book offers detailed explanations of these practices and the underlying theories from which they derive. It gives hands on advice on the meaning, the application and the profound results of working together with other practitioners to accomplish the goal of taming our minds and benefiting others. From the most esoteric to the subtlest of practical details, these three masters, Tulku Urgyen Rinpoche, Orgyen Topgyal Rinpoche and Lama Putsi give a complete guidance manual on this hidden treasure.