The sermon "The Heart of the Effective Evangelist" by Jeffrey Johnson delves into how effective evangelism, as exemplified by the Apostle Paul, involves profound personal adaptability and a deep love for people to communicate the Gospel effectively. Here is a summary of the key points:

1. **Adaptability and Relatability**: Paul's approach, as narrated in the scriptures, involved adapting his behavior and practices to connect with different groups of people—Jews, Gentiles, and the weak in conscience—without compromising his moral and spiritual integrity. This adaptability was aimed at removing any barriers that could hinder the gospel's acceptance.

2. **Evangelism as Active Engagement**: The sermon emphasizes that evangelism requires active and intentional engagement. Like fishing, if one does not cast the net, no fish will be caught; similarly, souls are not won without the effort of evangelism.

3. **Paul’s Motivation and Methodology**: Johnson highlights that Paul’s evangelistic efforts were driven by his love for people and his desire to share the blessings of the Gospel. Paul's methods included making personal sacrifices to avoid causing offense and ensuring his actions always promoted the Gospel.

4. **Evangelistic Traits to Emulate**: The sermon suggests four traits from Paul's evangelistic efforts that are crucial for effective soul-winning:
- **Love for People**: Showing genuine concern and making sacrifices for others' wellbeing.
- **Love for Holiness**: Maintaining spiritual integrity while engaging various cultures.
- **Love to Win Souls**: The passion for leading others to faith through personal interaction and relatability.
- **Love for the Gospel**: A foundational commitment that motivates all evangelistic efforts, reflecting a deep-seated belief in the Gospel’s power.

5. **Practical Application**: Johnson encourages a proactive stance in evangelism—praying for opportunities, preparing for interactions, and prioritizing the spiritual over personal freedoms or comforts.

This sermon urges believers to actively engage in evangelism by adopting Paul’s methods and motivations, emphasizing adaptability, deep love for the Gospel, and an unyielding commitment to the spiritual growth of others.