There are many, many commentaries on this document already, and the blogosphere and Face Book are both rife with gems quoted from the many,
So let this video serve as my commentary. You may interpret it as you wish.
"You aim at a devout life, dear Philothea, because as a Christian you know that such devotion is most acceptable to God's Divine Majesty," says St. Francis de Sales in his book "Introduction to the Devout Life". And we can all be Philotheas, as St. Francis notes: "I have made use of a name suitable to all who seek the devout life, Philothea meaning one who loves God."