Foster argues that the teachings of Jesus call for a radical simplicity in how we approach money, sex, and power. He challenges the common pursuit of affluence, advocating instead for a life marked by generosity and contentment. He encourages readers to examine their relationship with material possessions and consider how they can use their resources to serve others and further God's Kingdom.

Rather than demonizing sex and power, Foster encourages readers to understand the positive potential of these forces within the framework of a relationship with God. He explores the beauty of sexuality as a gift from God, designed for intimacy and pleasure within the covenant of marriage. Similarly, he discusses how power, when yielded to God's purposes, can be used to promote justice, serve others, and bring about positive change in the world.

Foster emphasizes that navigating the complexities of money, sex, and power requires intentional spiritual discipline. He outlines practical steps individuals can take to cultivate self-control, resist temptation, and live in greater alignment with their values. This includes practices such as prayer, fasting, meditation, accountability, and generosity – all designed to foster spiritual growth and empower individuals to live more fulfilling lives.