A busy calendar and a busy mind will destroy your ability to do great things in this world. If you want to do great things—whether you’re a musician or entrepreneur or investor—you need free time and a free mind.

If you have at any point in your life lived a relatively structured existence—probably due to some kind of job with regular office hours, meetings, and the like—you will know that there is nothing more liberating than looking at your calendar and seeing nothing but free time for weeks ahead to work on the most important things in whatever order you... See more