Dr. Mark Scott wrote this treatment of the International Sunday School Lesson. Scott teaches preaching and New Testament at Ozark Christian College, Joplin, Missouri, and has held preaching ministries in Missouri, Illinois, and Colorado. This lesson treatment is published in the February 7 issue of The Lookout magazine, and is also available online at www.lookoutmag.com. ______ By Mark Scott Valentine”s Day celebrates love. Wedding anniversaries celebrate commitment. Probably the most noteworthy wedding anniversary is the fiftieth. When couples achieve that, it is called a milestone. A milestone festival for Israel was the Festival of Weeks””an interesting name since it was just a one-day celebration.