Epistemes wrote:Ānāpānasati, Vipassanā, Satipatthana, Jhana.
Whatever happened to sitting, breathing, focusing not to much on one's breath but never forgetting the breath nor the room, allowing the thoughts to arise then dissipate?
There is a difference between calm abiding and the insight it enables through mental fitness. The said mental fitness can be classified and was classified by the Buddha with the four jhānas. One does not understand the impermanent nature of things entirely without knowing the peaks of existence in the formless realms, which requires jhāna.