The four qualities that, when well practiced, place us in the vicinity of nibbana.
These are not new or secret teachings! We are already practicing them when we are being mindful with dedication. This can be inspiring and also bring relief at the same time.
With so much focus on suffering and the end of suffering, it's sometimes easy to forget this is a path of happiness. The Buddha was called the happy one. This talk presents the teachings held in that perspective.