Positive psychology arose in the late 20th century as a hopeful corrective to psychology’s traditional focus on pathology, gaining momentum when Martin E. P. Seligman, in his 1998 APA presidential address, called the field to study not only what goes wrong in life but also what enables individuals and communities to flourish.

Together with Mihaly Csikszentmihalyi, he articulated its core principles in 2000, emphasising the scientific study of positive emotions, positive traits, and positive institutions, while Csikszentmihalyi’s concept of flow (1990) described the deeply engaging state in which people are fully absorbed in meaningful, challenging activity. Alongside them, Ed Diener’s work on subjective well-being (1984) clarified the role of life satisfaction and positive affect, Carol Ryff (1989) articulated dimensions of psychological well-being such as purpose and personal growth, Christopher Peterson and Seligman (2004) mapped universal character strengths and virtues, and Barbara Fredrickson (1998; 2001) demonstrated through the broaden-and-build theory how positive emotions expand cognition and build lasting personal and social resources.

Together, these contributions formed a science grounded in evidence, balance, and human potential. From a Christian perspective, positive psychology resonates with Biblical themes that affirm human dignity and flourishing under God, such as Jesus’ declaration that he came so that people “may have life, and have it abundantly” (John 10:10), Paul’s exhortation to dwell on what is “true… honourable… just… pure… lovely” (Philippians 4:8), and the scriptural vision of virtues like hope, love, perseverance, and gratitude (1 Corinthians 13:13; 1 Thessalonians 5:18), suggesting that cultivating strengths, meaning, and joy is not self-centred optimism but faithful stewardship of God-given capacities. As a result, a Christian positive psychology can offer profound value for personal well-being, enhancing resilience, purpose, relationships, and mental health, while also contributing to societal health by informing education, leadership, healthcare, and public policy in ways that foster trust, compassion, civic engagement, and the common good.

Positive psychology and the concept of flow together provide an evidence-based foundation for understanding how individuals develop personal life strategies: the enduring cognitive and behavioural patterns they construct to navigate life's opportunities and perceived threats. As we have seen, positive psychology, formally established by Martin E. P. Seligman and Mihaly Csikszentmihalyi in the late 1990s, emphasises the cultivation of strengths, meaning, engagement, positive emotion, accomplishment, and supportive relationships rather than merely the reduction of pathology (Seligman & Csikszentmihalyi, 2000). Within this framework, Csikszentmihalyi's theory of flow (1975; 1990) describes a state of optimal experience in which a person's skills are well matched to challenging activities, fostering intrinsic motivation, learning, resilience, and psychological growth. Repeated experiences of flow can shape adaptive life strategies by reinforcing goal-directed behaviour, attentional control, self-efficacy, and a preference for environments that support continued development.

Complementary theories have expanded this understanding: Albert Bandura's (1986; 1997) concept of self-efficacy explains how beliefs about one's capabilities influence strategic choices and persistence; Richard M. Ryan and Edward L. Deci's Self-Determination Theory (1985; 2000) demonstrates that strategies satisfying the basic psychological needs for autonomy, competence, and relatedness promote sustained motivation and well-being; and Barbara L. Fredrickson's Broaden-and-Build Theory (1998; 2001) shows how positive emotions expand cognition and behavioural repertoires, enabling individuals to build enduring psychological, social, and intellectual resources that improve adaptation to future challenges. Collectively, these perspectives suggest that effective personal life strategies emerge through an iterative process in which optimal experiences, positive emotions, intrinsic motivation, and confidence in one's capabilities reinforce flexible cognitive appraisals and adaptive behavioural responses, allowing individuals not only to manage threats more effectively but also to recognise, pursue, and capitalise on opportunities for growth and flourishing.

Christian psychology holds that the most helpful personal life strategy is to love and seek God wholeheartedly (e.g., Deuteronomy 6:5; Matthew 22:37–38), because this God-centred orientation integrates the personality, promotes spiritual maturity, and supports enduring wellbeing by aligning thoughts, emotions, motives, and behaviour with humanity's ultimate purpose of glorifying God (cf. Augustine's Confessions: "our hearts are restless until they rest in You"). From this perspective, the principles of positive psychology may facilitate this process when they encourage gratitude, forgiveness, hope, perseverance, virtue, meaning, and character strengths directed toward God rather than the self. This was emphasised by Martin E. P. Seligman (2002, 2011) and Christopher Peterson and Martin E. P. Seligman (2004), whose work complements Christian teachings on virtues such as the fruit of the Spirit (Galatians 5:22–23).

Likewise, Mihaly Csikszentmihalyi's (1990) concept of flow (a state of complete absorption in meaningful, appropriately challenging activity) may deepen worship, prayer, service, artistic creativity, or vocational calling when these activities are undertaken "as working for the Lord" (Colossians 3:23), thereby fostering joyful engagement and stewardship of God-given gifts.

However, Christian theology cautions that both positive psychology and flow may undermine spiritual development if they become centred on autonomous self-fulfilment, personal achievement, or hedonic wellbeing detached from God, since Scripture warns against making idols of success, pleasure, or the self (Jeremiah 17:9; 1 John 2:15–17). Christian psychologists such as Eric L. Johnson (2007) and Siang-Yang Tan (2011) therefore argue that psychological strengths and optimal experiences are best understood as subordinate to the transforming work of God, whose grace integrates the whole person and conforms believers to the likeness of Christ (Romans 12:2), making love of God the organising principle through which wellbeing, growth, and psychological integration find their fullest expression.