Everything conditioned is impermanent. Everything defiled is suffering. All phenomena are selfless. Nirvana is peace, beyond extremes.
This is a teaching on the Four Seals that are the sign of the Buddha's teaching. Everyone who calls themselves a Buddhist should have a thorough understanding of these Four Seals. In this teaching, Rinpoche gives a clear explanation of them, focusing on how to put them into practice through meditation and showing how they can help us deal with our emotions.