"It's not easy business being a pastor," says the Rev. Dr. Matthew C. Harrison, president of The Lutheran Church—Missouri Synod, as he examines the charge given to pastors in 2 Tim. 4:1--2. "But I want to encourage you. The Word of God is living and mighty and active ... . And the Word of the Lord does not return void." Watch this video to hear more from President Harrison as he offers words of encouragement from Martin Luther's Invocavit sermons from 1522.