The book draws on the teachings of the apostle Paul, who wrote extensively about love in his letters to the early Christian communities. Paul saw love as the most important of all virtues and the ultimate expression of God's nature. He exhorted his readers to love one another deeply, just as Christ loved them and gave himself up for them. For Paul, love was not an abstract concept; it was a tangible reality that should be evident in the way believers treated each other. The book also highlights the example of Christ, who demonstrated the ultimate act of selflessness and love by sacrificing himself on the cross for the redemption of humanity. Christ's life and teachings provide a model for how we should love others, putting their needs above our own and seeking to serve rather than be served.