Where did the author use Ethos in this part of the book to convince the reader?

The ideas in Think and Grow Rich have significant potential for real-world implementation. The book's principles, such as setting clear goals, building self-confidence, and harnessing the power of a Master Mind group, are all applicable in real-life scenarios. For instance, setting clear goals can help individuals and businesses stay focused and motivated. Building self-confidence can enhance one's ability to take risks and seize opportunities. The concept of a Master Mind group, where like-minded individuals work together to achieve more than they could individually, is a powerful tool for collaboration and innovation in any field.

Autosuggestion, as explained in Think and Grow Rich, is a psychological technique related to the subconscious mind. It is a type of self-induced suggestion where individuals guide their own thoughts, feelings, or behavior. The technique is used to change behavior and thought patterns, and to develop certain skills. It can be used to motivate oneself, change one's beliefs, or to 'program' one's mind towards achieving a specific goal. The concept is based on the belief that the mind has a powerful influence over the body, and by feeding it positive thoughts and affirmations, one can bring about positive changes.