Hadot on Spiritual Exercises

A key term in Hadot's book on ancient philosophy, What is Ancient Philosophy?, is 'spiritual exercise'.  Here's a link to one of his longest and most detailed explanations of what he has in mind when he uses the term.  While I do not require that you read this, I do strongly encourage you to do so.  It would be most helpful to you if you read it in the early days of our class.