The true nature of Yoga

Yoga is the most prestigious field of spiritualism. People think about 6 wheels (Chakras) or lotus flowers in the spinal card, which can not be seen through the eyes. Are imaginary and so they have an inner meaning. When you say a face like a moon, the moon, the foolish looking at this face. But, wise people see similarity in the face and the moon. Similarly, wheels and lotus flowers are not searched in the spinal cord. spinal cord is the main nerve that spirit that the base isLove. All these wheels or lotus flowers are the bonds of love in the various relatives like parents, wife or husband, children, etc. on the wheels or rotating vortices in the ocean to win a swimmer and drown him to compare. Likewise this love is the wheel from lotus flowers, since they bind the lotus flower the bee by sweet fragrance and put it on. Similarly, these love flowers attract and retain. "Kundalini" is the mind that the energy travels as waveslike a snake would link all this love wheels cross to 7 Lotus flower in my head like "Sahasrara", the Buddhi or intelligence that the decision that the company takes the love of God Bhagavad Gita is the most important document of Yoga (Yoga -Sastra) called. Why is there not a single reference to these wheels or lotus flowers in anywhere in Gita or the Upanishads? Since they are not real, are not mentioned. The author of the Gita is Krishna, the teacher was called by...