Lecture given Saturday, June 26, 2004 at Abilene Christian University: "Isaiah's prophetic career began with a personal encounter with God that opened Isaiah's eyes to God's perspective on the sin around him. His prophecies continue to challenge God's people to come face to face with the God who sees and hears."

Lecture given Tuesday, February 19, 2002, 9:45 AM at Abilene Christian University: "Is genuine spirituality fact or feeling...neither or both? Is spirutal growth determined by external factors or internal transformation? Is it possible for us to gauge thelevel of our spiritual growth in tangible and practicle ways? Hear Peter's definitive instruction."

Lecture given Tuesday, September 18, 2007, 4:45 PM at Abilene Christian University

Lecture given Wednesday, February 20, 2002, 8:30 AM at Abilene Christian University: "There is no more demanding role in the church than the service of an elder. Servant leadership requires spiritual depth. This class examines the spiritual qualities necessary for church leadership."

Lecture given Monday, February 18, 2002, 8:30 AM at Abilene Christian University: "Often, people who accomplish amazing feats, engage in death-defying acts, or daily live unusual lives are said to be out of their minds. Yet some are idolized, some institutionalized, and other ostracized. Is it OK to live "out of your mind?""

Lecture given Wednesday, February 25, 1998, 8:30 AM at Abilene Christian University.

Lecture given Wednesday, February 23, 1994, 11:00 AM at Abilene Christian University

Lecture given Tuesday, September 21, 2010, 9:30 AM at Abilene Christian University: "Singles sometimes feel like they are the stepchildren of the church. However, being single in the kingdom of God has many benefits and challenges. We will explore how to navigate a celibate life in the kingdom of God and restore the place of singles in our churches."

Lecture given Monday, February 18, 2002, 9:45 AM at Abilene Christian University: "How can we identify and cultivate the next generation of ministers? This class offers suggestions for encouraging and equipping young ministers to deal with the day-to-day realities of service."

Lecture given Wednesday, February 24, 1999, 9:45 AM at Abilene Christian University

Lecture given Wednesday, September 20, 2006, 9:45 AM at Abilene Christian University: "This class is designed to show the free agency of grace and how its purpose is to transform the lives of people. Time will also be given to how grace works in the context of the church's culture."

Lecture given Monday, February 18, 2002, 2:00 PM at Abilene Christian University: "September 11. This is the day our world changed. While people around the globe were affected by the acts of terror that day, none were more impacted than the citizens of New York City. Hear stories of ministry from the perspective of "ground zero" - stories from the Manhattan Church of Christ."

Lecture given Tuesday, February 21, 1995, 8:30 AM at Abilene Christian University

Lecture given Wednesday, September 24, 2008, 9:45 AM at Abilene Christian University: "The Christian community is starved for answers to our questions about sexual orientation. In these sessions we will explore a more Christ-centered response to those who experience same-sex attraction - beginning with a better understanding of this struggle. Going beyond the first chapter of Romans, we'll reaffirm the truth that it is God's love that changes all of us. And we'll discover ways to take that life-changing truth to the world that is desperate for His love."

Lecture given Tuesday, February 24, 1998, 11:00 AM at Abilene Christian University

Lecture given Monday, February 17, 1997, 11:00 AM at Abilene Christian University

Lecture given Monday, February 18, 1991, 11:00 AM at Abilene Christian University

Lecture given Tuesday, September 17, 2013, 8:30 AM at Abilene Christian University: "The story of Churches of Christ in Cuba, from the arrival of the first missionaries in 1935 to the explosive growth since the year 2000."

Lecture given Monday, February 20, 1995, 3:30 PM at Abilene Christian University

Lecture given Monday, September 17, 2007, 2:00 PM at Abilene Christian University: "In the Missional church, worship is mission. This workshop will explore how worship enacts a vision of God's ultimate purposes for all of creation. Practical guidance will be given for various aspects of the church's worship."

Lecture given Monday, February 18, 1991, 3:30 PM at Abilene Christian University

Lecture given Tuesday, September 18, 2012, 8:30 AM at Abilene Christian University: "Special methods are required for teaching the deaf. Some procedures that emphasize presentation, curriculum and methodology will be covered with examples and anecdotes."

Lecture given Tuesday, February 18, 1997, 11:00 AM at Abilene Christian University

Lecture given Wednesday, February 23, 1994, 8:30 AM at Abilene Christian University