In their landmark 1954 experiment, psychologists James Olds and Peter Milner accidentally discovered the brain’s reward circuitry when rats repeatedly pressed a lever to deliver brief electrical stimulation to regions such as the septal area, revealing that certain neural pathways powerfully reinforce behaviour (Olds & Milner, 1954). Although the neurotransmitter dopamine would be identified later as a central chemical mediator of this reward system (e.g., Wise, 2004), their work fundamentally reshaped neuroscience by showing that motivation and learning are biologically grounded rather than purely psychological, a finding that resonates intriguingly with a Christian perspective on human desire and moral formation. Scripture affirms that humans are created with deep motivational drives (“where your treasure is, there your heart will be also,” Matthew 6:21), yet calls for these desires to be rightly ordered and renewed (Romans 12:2), echoing Augustine’s theology of ordo amoris (rightly ordered loves). From this view, brain reward systems are not sinful in themselves but part of God’s good creation (Genesis 1:31), meant to support life-giving habits rather than enslaving ones, a tension reflected in biblical wisdom about guarding the heart (Proverbs 4:23). For personal wellbeing, Olds and Milner’s discovery helps explain addiction, habit formation, and motivation, empowering individuals to cultivate healthier rewards through practices that align body, mind, and spirit (cf. Galatians 5:22–23), while for societal health it underpins evidence-based approaches to mental health, education, and public policy, reminding communities that nurturing environments and not merely willpower, are essential for human flourishing.