Always know what is happening at the moment, do not recall or plan, and pay attention to the birth and death of your own feelings, thoughts, actions, and consciousness, so that your mind will no longer be easily contaminated by dust.
But this is only on the road. To reach the other side, we need to have the mind and determination to be able to see the birth and death of the five aggregates in the past, present and future, as well as their causes, that is, to fully understand the Four Nobles. meaning.