This is a weekly class from Deer Park Monastery on the topic "The 40 Tenets of Plum Village" and it is based on a book called "Plum Village Looks at Vulture's Peak" written by Thay. The book describes the essential characteristics of Plum Village practice and teachings.
For an English translation of the tenets themselves, follow this link.
In this class, Brother Phap Luu discusses the seventh tenet: "Not born means nirvāṇa and it is awakening to the truth of the deathless, the no-coming and no-going, the not the same and not different, the not being and not non-being."