The study of personality and individual differences in psychology is a vital field that seeks to understand the unique patterns of thought, emotion, and behaviour that make each person distinct. This area is crucial because it allows us to appreciate human diversity, tailor mental health treatments, enhance educational approaches, and foster more empathetic societies. Pioneers such as Gordon Allport (1897–1967), who emphasised the individuality of the person, Raymond Cattell (1905–1998), who introduced factor analysis to identify core personality traits, and Hans Eysenck (1916–1997), who explored biological bases of personality, laid the groundwork for modern models like the Five-Factor Model developed by Costa and McCrae in the 1980s. Their contributions have not only deepened scientific understanding but also enabled more effective interventions in clinical, organisational, and educational settings. By acknowledging and valuing the richness of human differences, this field empowers individuals to live more authentically and harmoniously, ultimately contributing to greater well-being and a more compassionate, inclusive society. Psychology seeks to understand personality, but knows little of revelation. Our Creator not only underlines the reality of our uniqueness but reminds us that we are fully known by Him: “Before I formed you in the womb I knew you" (Jeremiah 1:5).