Tweet Any idea, plan, or purpose may be placed in the mind through repetition of thought. Quote by Napoleon Hill. You May Also Like...Whatever the mind can conceive and believe, it can achieve.Patience, persistence and perspiration make an unbeatable combination for success.Just keep your conscious mind busy with expectation of the best.Think good, and good follows. Think evil, and evil follows. You are what you think all day long.A man is but the product of his thoughts. What he thinks he becomes.Don't wait. The time will never be just right.Effort only fully releases its reward after a person refuses to quit.Remind yourself frequently that the healing power is in your own subconscious mind.There is only one process of healing and that is faith. There is only one healing power, namely, your subconscious mind.