I left my job as an art director in a New York ad agency on a Friday. The next Monday morning, I showed up at Union Seminary to start the three year Masters of Divinity program. Slight career shift (though some snarky friends say I’m still in advertising.)I was excited to show up on campus. As I walked the halls, I was struck with its history, sensing the presence of spiritual giants who had studied or taught there, people like Dietrich Bonhoeffer, Paul Tillich, Raymond Brown, James Cone.We had an orientation session, led by the Rev. James Forbes, who was teaching at the time at Union, and went on to become Senior Pastor at Riverside Church. I was impressed with the headiness of it all. So I was a bit surprised by the counsel given by Dr. Forbes, the advice he offered to help us navigate our course of study. He said: Memorize Psalm 139. It will change your life.