When the Substance of the Subtle and Natural World Emerged and Developed.
There are hundreds and thousands of worlds in the natural world indoors. There are hundreds and thousands in the natural world from the outside world of infinite inner world. Many people tried to understand the inside and outside the natural world of infinite inner world several times in many period and become fatigued before concluding anything. It is a statement widely spoken by the classical literature dealing with the fundamental principle of karma in Hinduism.