What we should understand here is that it’s not food or breathing that life ultimately needs, but energy. And the most direct expression of energy is heat. In this sense, temperature expresses the essence of life. When you feel the heat in your body, you’re observing the most central operations of your life. You’re connected to the essence of life.
Ilchi Lee, The Solar Body: The Secret to Natural Healing
meditation, natural-health, nature, non-fiction