To some, this is a mysterious phenomenon, but to those who understand it, it is as easy and natural as ordinary conversation in our everyday life. Everyone can understand that thoughts have existence, and many scientists now perceive that thoughts are vibrations. The ancient mystics and sages throughout the ages have understood that thoughts are made of vibrations. As the physical body is made up of physical atoms, so is our mind composed of vibrations, every activity of mind is "thought." Now thoughts are of two kinds: