Samuel Logan Brengle emphasizes the vital role of soul-winners in nurturing and maintaining the faith of their converts, drawing parallels to Paul's dedication in strengthening believers. He warns against the tendency to focus solely on conversion without ongoing support, likening the care of new believers to the nurturing of a newborn. Brengle stresses the importance of love, prayer, and personal connection in keeping the spiritual fire alive in the hearts of converts, urging soul-winners to actively engage in their growth and development. He highlights the necessity of teaching converts to pray, read the Bible, and work for others, while also fostering a community of love and support among believers. Ultimately, Brengle calls for a ministry characterized by deep love and commitment, ensuring that the converts remain steadfast in their faith.