Every religion has an enemy, looks like. Like Christians and Muslims they have like Satan and so on and so forth, right. Every religion. And buddhism also has one. The devil of buddhism. And what is that? It is called distraction. Constant distraction, that is the satan of buddhism. So, understandably, the main, quintessence of the buddhist practice is obviously mindfulness. This is where mindfulness is taught in the theravada tradition, in the mahayana tradition, in the vajrayana tradition, mindfulness is the thing.