John Gill emphasizes the importance of understanding the times and the responsibilities of the people of God, drawing from the example of the tribe of Issachar, who were wise and knowledgeable about what Israel should do. He encourages believers to be watchful and active in their faith, performing good works that align with God's will, and to remain steadfast in the face of challenges and temptations. Gill highlights the necessity of prayer, community, and adherence to the teachings of Christ, especially in times of spiritual decline. He calls for a proactive approach to faith, urging believers to strengthen their resolve and prepare for the coming of the Lord. Ultimately, he reassures that despite the darkness, a glorious morning of redemption is promised for those who remain faithful.

A.B. Simpson emphasizes the significance of letter writing in the Christian faith, illustrating how personal correspondence reflects the character of both the writer and the recipient. He highlights humility as a key lesson from John's letters, where John identifies himself simply as an elder, contrasting with the self-importance often seen in ecclesiastical circles. Simpson also discusses the importance of Christian friendship, the responsibility of families in faith, and the need for vigilance against error and evil. He further explores the themes of divine healing, faithful living, and the role of laypeople in supporting missionary work, while warning against the dangers of pride and backsliding within the church. Ultimately, he calls for a return to genuine Christian values and a commitment to truth in both personal and communal life.

A.B. Simpson emphasizes the importance of personal holiness in the Christian life as taught in the letters to the Thessalonians. He highlights that true conversion is a work of the Holy Spirit, leading to a life founded on Scripture, characterized by faith, love, joy, prayer, and holiness. Simpson asserts that sanctification is not just an option but the will of God for all believers, and it involves a complete surrender of spirit, soul, and body to God. He encourages Christians to live out their faith practically, demonstrating the transformative power of a sanctified life in their communities. Ultimately, he calls believers to embrace their higher calling and trust in God's faithfulness to fulfill His promises.