Self spirit/mind is who you are. Self spirit/mind has huge power, it is connected with God directly, it can make your self-healing system work at the best level, it can generate a lot of special abilities that people can not believe now. All people are  practicing martial arts, Kongfu, Meditation, Buddha and Tao etc., the high level they are seeking is calling their self spirit/mind back to be in charge of their body, but we have the easy way to do, self spirit/mind is spontaneous, selfless, peaceful, broad-minded, fearless, and happy, you can just remind yourself to remember and keep your mind to be spontaneous, selfless, peaceful, broad-minded, fearless, and happy all the time, you will finally get it too.