Based on the text attributed to the Daoist Ge Hong, learn a fundamental Neidan method. Through practice, one can achieve a meditative state known as embryonic breathing and experience absorption.
It is possible to make significant progress in Neidan with this method alone.
When the mind is without random thoughts, without coming and without going, without exiting and without entering, then it naturally and constantly abides.
Taixi jing: Classic of Embryonic Breathing
The simple practice will help to calm the mind, remove stress, physical tension, among many other benefits. This is a simple practice which has much depth and is a practice for a lifetime.
This is the perfect way to begin the journey inward to understanding the self.