Emotional immaturity stands as a defining problem of contemporary society, evident in the way people approach even basic moral dilemmas with no capacity for rational judgment, being instead entirely governed by uncontrolled feelings. This condition, which psychologists label emotional immaturity and social scientists call a lack of emotional intelligence, is fundamentally the failure to put the Ten Commandments into practice; it is not taught by parents, schools, or governments, but should be cultivated within God's church. Emotional maturity is defined as the development from self-centeredness to outgoing concern for others, reflecting God's law of love in contrast to Satan's self-centered taking. Since all human beings are moved to action by emotions—strong impulses like fear, anger, grief, and desire—God intends the mind to direct these emotions rather than be ruled by them, and this control must be learned, as illustrated by Herbert Armstrong's account of a highly educated man who never grew up emotionally despite academic and physical maturity, ultimately destroying his life and family. Modern neuroscience, through the concept of "emotional intelligence," has independently confirmed biblical truths about the limbic system and amygdala overwhelming rational thought, and about how emotional skills such as awareness, empathy, and delayed gratification must be learned in childhood to prevent aggression and substance abuse. Yet without God's Spirit, science cannot supply the right standard for teaching these skills. Training in emotional maturity must begin in infancy, teaching children to direct their moods toward outgoing love rather than uncontrolled anger, jealousy, or pride, as Armstrong's own account of learning to control his emotions at a funeral demonstrates. God's anger provides the standard for proper emotional expression—always controlled, righteous, and appropriate to the situation, in stark contrast to human anger, which is typically disproportionate, self-interested, and destructive, as seen in extreme examples of uncontrolled rage in society. Anger itself is not sin, but becomes sinful when it turns to unchecked wrath, as Paul warns in Ephesians 4:26. Religion itself is prone to counterfeit emotionalism, whether through manufactured frenzy or sterile intellectualism; true spirituality is neither emotionless nor uncontrolled but is Spirit-led "sound-mindedness," combining rational self-control with genuine, appropriately expressed feelings of joy, compassion, and reverence. Emotional maturity and spiritual maturity are inseparable, developing together toward the perfect character God intends. Paul's epistles repeatedly address the Corinthians' emotional and spiritual immaturity—their envy, strife, and division—contrasting it with the goal of maturity described in Ephesians and Colossians, where believers are "tailor-made" through knowledge of Christ, ministry, and obedience. Hebrews likewise distinguishes spiritual infants living on "milk" from the mature who discern good from evil through practiced use. Jesus Christ Himself, fully human and made in God's image, displayed the full spectrum of controlled, appropriate emotion—compassion, righteous anger, grief, joy—modeling the emotional and spiritual wholeness believers are called to attain through the Holy Spirit, which alone grants the "sound mind" necessary for true maturity.