Effective Christian ministry requires more than studying the right books, believing the right things, or giving the right answers. Oswald Chambers explains how God's workers need unity—of heart, soul, strength, and mind. Each of us needs to be brought, by God's grace and by personal choice, into a harmoniously working whole. In Approved Unto God, Chambers insists equally on spiritual fitness, upright mentality, and intellectual discipline as he encourages those serving in Christian ministry. Facing Reality, a companion piece, examines the process of belief and the importance of right belief for Christian ministry.