In the fourteenth episode of "Nurturing Spiritual Growth," Duane emphasizes practical steps for personal development and helping others grow spiritually. He draws heavily on the early church practices outlined in Acts 2:42, where the community of believers engaged in four fundamental activities that fostered their spiritual development.

Four "spiritual food groups" are essential for personal spiritual growth and the health and growth of the church community. These practices include the apostles' doctrine, fellowship, breaking of bread, and prayers—each contributing uniquely to the believer's spiritual journey.

1. Apostles' Doctrine: This refers to the apostles' teachings, which are crucial for understanding and applying New Testament truths. Duane stresses the importance of grounding in the apostles' doctrine to avoid confusion and misinterpretation of the Scriptures, notably how the New Testament clarifies and fulfills the Old Testament.

2. Fellowship: The value of fellowship sharpens believers and keeps them grounded in truth. It involves mature believers helping less experienced believers navigate their spiritual journey, ensuring they avoid falling into erroneous beliefs or practices.

3. Breaking of Bread: Sharing meals is a mini-covenant, fostering closeness and openness among believers, similar to how families bond over meals at home.

4. Prayers: Teaching new believers how to pray effectively is crucial, as there are different kinds of prayers for various situations.

These practices are not just rituals but vital activities that helped the early church members grow from new converts into mature disciples. Modern believers should adopt these practices, ensuring they are part of a balanced spiritual diet that promotes continuous growth.

Duane uses the analogy of natural food groups to explain how each spiritual activity nourishes and builds up the believer's faith. He encourages believers to engage in these practices and help integrate them into the lives of others, thereby fostering a healthy, growing community of faith. These practices provide a blueprint for spiritual growth modeled after the early church, emphasizing the importance of a holistic approach that combines learning, community, worship, and prayer.