“I chose daily running to help me develop a higher degree of self-mastery. Teddy Roosevelt chose a variety of physical activities and exercise. It doesn’t matter what you choose, but it has to be something you have to force yourself...

“Sarasate, the greatest Spanish violinist of the nineteenth century, was once called a genius by a famous critic. Sarasate sharply replied, “Genius! For thirty-seven years I’ve practiced fourteen hours a day, and now they call me a genius.” Clearly Sarasate...

“We all know how difficult habits are to change, and we’ve established many reasons why this is so. In order to change habits, we have to get the attention of, communicate with, and train our subconscious. This is no easy...