Tulku Urgyen Rinpoche was a highly revered Tibetan Dzogchen master who lived from 1920 to 1996. He was known for his profound wisdom, compassion, and ability to transmit the teachings of Dzogchen, the highest form of Tibetan Buddhism, to his students. Throughout his life, he imparted numerous teachings that continue to inspire and guide practitioners around the world. Some of his most famous teachings include:

1. "The Nature of Mind": One of Tulku Urgyen Rinpoche's most renowned teachings is on the nature of mind. He emphasized that the true nature of our mind is clear, empty, and aware, and that by recognizing this, we can attain ultimate liberation.

2. "The View, Meditation, and Action": In this teaching, Tulku Urgyen Rinpoche explained the three essential aspects of the Dzogchen path: the view, meditation, and action. He emphasized the importance of understanding the view, which is the recognition of the true nature of mind, and using meditation and action to integrate this understanding into our daily lives.

3. "The Four Reminders": These four reminders, also known as the Four Thoughts That Turn the Mind, are a fundamental teaching in Tibetan Buddhism. Tulku Urgyen Rinpoche taught that by contemplating on the preciousness of human life, impermanence, the law of cause and effect, and the defects of samsara, we can develop a strong motivation to practice and attain enlightenment.

4. "The Practice of Guru Yoga": Guru yoga is a key practice in Tibetan Buddhism, and Tulku Urgyen Rinpoche placed great importance on it. He taught that by developing a strong connection with an authentic spiritual teacher, we can receive blessings and guidance to progress on the path.

5. "The Importance of Compassion": Tulku Urgyen Rinpoche emphasized the cultivation of compassion as an essential aspect of the path to enlightenment. He taught that by developing genuine compassion for all beings, we can overcome our self-centeredness and attain true liberation.

In addition to these teachings, Tulku Urgyen Rinpoche also shared many other profound insights and instructions on various aspects of Buddhist practice, including meditation, mindfulness, and the nature of reality. His teachings continue to inspire and guide practitioners of all levels on the path to liberation and enlightenment.