Charles Finney emphasizes the importance of nurturing young converts in their faith, using the example of Peter's restoration by Christ to illustrate the need for deep spiritual preparation before leading others. He outlines essential instructions for young converts, including the significance of immediate church membership, the dangers of false hopes, and the necessity of correct teachings to avoid doubts and backsliding. Finney warns against common misconceptions that can hinder spiritual growth, urging that young believers should be taught to act on principle rather than emotion, and to maintain a focus on usefulness rather than comfort in their Christian walk.