Rebellion is opposition to authority. Rebellion can become violent, as in “an armed rebellion broke out in the city,” but it can also remain unexpressed. Rebellion always begins in the heart. Rebellion against God’s authority was humanity’s first sin (Genesis 3) and continues to be our downfall. Our sinful natures do not want to bow to the authority of another, even God. We want to be our own bosses, and that rebellion in the human heart is the root of all sin (Romans 3:23).