In 1913, John B. Watson revolutionised the field of psychology by founding behaviourism, a bold movement that challenged introspective methods and called for psychology to focus on observable behaviour. By asserting that human actions could be understood, predicted, and shaped through environmental influences, Watson laid the groundwork for a more scientific and measurable approach to studying the mind. While behaviourism initially downplayed internal mental processes, its emphasis on learning, habits, and conditioning became essential stepping stones for modern cognitive psychology, which later integrated both behaviour and cognition. Watson’s vision empowered individuals with the idea that change is possible - our behaviours are not fixed, but can be reshaped with intention and support. This perspective continues to hold immense value for personal wellbeing, offering practical tools for overcoming anxiety, forming healthy habits, and achieving goals. On a broader scale, it has shaped educational practices, therapeutic methods, and social programs, fostering a society that understands how behaviour can be guided toward growth, resilience, and collective health. Changes of behaviour are also changes of direction that require wise choices. Without an adequate moral compass such choices are impossible. The Judeo-Christian tradition maintains the moral and ethical nature of behaviour. God directs those who act wrongly to change their ways (Jeremiah 26:13), and if they do, they and their societies are blessed.