Our thinking instrument or inner monkey is chattering all 24 hrs. This chatter is totally mechanical and unconscious. For this, we must understand the difference between what is thought and what is the energy which goes in to making of the Thought. We need to understand the Science of formation of thought.
For any kind of effort, energy is necessary. The energy we need to hold higher states of self-consciousness does not come from the physical food. is the food of impressions. Man takes in three kinds of food: physical food, Air food and Impression food.