A mental diet is a habit of refusing to entertain any negative thoughts. As soon as you notice inner thoughts telling a negative story, you immediately replace them. Like a regular diet, mental diets require discipline and attention, and they’re best done in short stints, which can help to kickstart you into a new way of thinking.Talking to oneself is a habit everyone indulges in. We could no more stop talking to ourselves than we could stop eating and drinking. All that we can do is control nature and the direction of our inner conversations. Most of us are unaware of the fact that our internal conversations are the causes of the circumstances of our life.Neville Goddard was known as one of the most influential teachers in the New Thought movement for many years. He gave hundreds of lectures all over the United States and even had his TV show in Los Angeles in the 50s! His philosophy states that we create our reality by our thoughts or by the human imagination.