It clearly emphasizes nonduality, nondiscrimination, and no-self. Fifteen minutes a day of meditation on energy. First, think of the outer skin that covers your entire body. Skin is matter and is therefore a form of energy. Next, think of your flesh.
Flesh is matter and therefore also a form of energy.
The bones are also a form of energy. When you first begin this practice, repeat the process several times. You will reach the conclusion that everything in your body, as well as your body as a whole, is energy and nothing else. Then realize that whatever you are sitting on is matter, and thus energy. The air is energy.