The sermon explores the necessity of including God in one's personal equation for spiritual victory, using Caleb as a primary example of unwavering faith amidst overwhelming odds. It contrasts the fearful report of the ten spies with Caleb's confident belief that God enables believers to overcome seemingly insurmountable giants and obstacles. The speaker emphasizes that true faith provides peace, motivates holy passion for action, and secures the certainty of God's promises despite difficult circumstances. By trusting in God rather than relying on human strength or favorable conditions, individuals can access divine power to possess their spiritual inheritance. Ultimately, the message encourages listeners to exercise even a small amount of faith to achieve victory through Christ.