Most people are lost in thought, mesmerized by thought, experiencing the content of thought as real events. With the practice of mindfulness we can first learn to turn away from the dominance of thought, and then bring awareness to the direct experience of thinking as a present time experience.
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.