According to one Barna study, the average pastor lasts only five years at a given church—often leaving just when, statistically speaking, he would be approaching his greatest period of usefulness. In a world of such short pastoral tenures, what does it look like to minister in the same place for not just years but decades? In this informal talk to pastors, Alistair Begg reflects on his forty-two years of pastoral ministry at Cleveland’s Parkside Church, sharing lessons learned about both the dangers and the delights of what D. Martyn Lloyd-Jones called “the most glorious calling to which anyone can ever be called.”