Auto Suggestion is defined as the hypnotic or subconscious adoption of an idea that one has originated oneself. The theory is that through repetition of verbal statements, to yourself, you can change your behavior. And guess what, it works!

In his book, Think and Grow Rich, Napoleon Hill breaks it down so that it is easy understand... and put into practice.

At its' core, Auto Suggestion related to the placebo effect. It was developed by an apothecary named Émile Coué at the beginning of the 20th century. A form of self-induced suggestion, auto suggestion involves individuals guiding their own thoughts, feelings, or behavior and is often used in self-hypnosis.