The scriptures tell us that there is a time and season for everything, for each particular event. There is a time of preparing for Christmas, and that is Advent, and then there is a time for Christmas itself. There is no doubt in my mind that the more serious we are about our personal Advent journey, the greater the joy we shall reap during our Christmas celebration.
It is a good practice to make concrete plans on how best to keep our Advent observance. Often, if no plans