Day by day, in every way, I am getting better and better.

Day by day, in every way, I am getting better and better.

April 27, 2026 · 5 min read

The Power of Positive Repetition: Émile Coué and the Most Famous Self-Help Mantra

The phrase “Day by day, in every way, I am getting better and better” has become one of the most recognizable self-help mantras in the world, yet most people who repeat it have never heard of Émile Coué, the French pharmacist who created it in the early twentieth century. The quote originated in the 1920s during Coué’s later career, when he had already spent decades experimenting with the therapeutic power of suggestion and autosuggestion. He developed this particular formulation as a simple yet profound tool for his patients to repeat daily, believing that the human mind possessed an almost miraculous capacity for self-healing if properly directed through affirmation and repetition. This deceptively simple statement emerged from rigorous observation and years of clinical practice, making it far more scientifically grounded than the modern self-help industry might suggest. The quote represents a turning point in psychological thinking, bridging the gap between traditional medical practice and what we now recognize as the placebo effect and the power of belief in healing.

Émile Coué was born in 1857 in Troyes, France, to a modest family, and his early life showed little indication that he would revolutionize psychological thought. After completing his pharmacy studies, he established himself as a respected apothecary in Troyes, where he gained a reputation for being an unusually patient and attentive pharmacist who took genuine interest in his customers’ wellbeing. This wasn’t merely professional courtesy; Coué had become fascinated by the stories his customers told him about their ailments and their recoveries, and he noticed an intriguing pattern. Patients who believed strongly in a particular remedy often experienced better results than the medication alone could explain, while those who doubted the efficacy of the same medication saw fewer improvements. This observation became the seed of his revolutionary idea: that belief and expectation were not merely psychological flourishes accompanying medical treatment but active agents in the healing process itself. Rather than dismissing this as mere superstition or coincidence, Coué chose to investigate it methodically.

In his forties, Coué became deeply interested in hypnotherapy and the emerging field of suggestion therapy, which was gaining traction in late nineteenth-century Europe. He studied under Auguste Liébeault and Hippolyte Bernheim, two pioneers in hypnotherapy, and eventually developed his own approach that moved away from traditional hypnosis toward what he termed “conscious autosuggestion.” This was a crucial distinction: rather than putting patients into a passive hypnotic trance where they were merely recipients of suggestions from an external authority, Coué believed people should consciously repeat positive affirmations to themselves, fully aware of what they were doing. He founded a free clinic in Nancy, France, in 1910, where he practiced and refined his methods, treating patients of all social classes without charging fees. His altruistic approach and documented success rates attracted international attention, and physicians and psychologists from across Europe and America traveled to observe his work. What made Coué’s approach particularly revolutionary for its time was that it democratized psychological healing, removing it from the exclusive domain of expensive specialists and placing powerful tools directly in the hands of ordinary people.

The specific formulation “Day by day, in every way, I am getting better and better” emerged as the cornerstone of Coué’s therapeutic practice because of its particular psychological architecture. The phrase uses three temporal markers—”day by day,” “in every way,” and the continuous present tense of “getting better”—that work together to create a sense of inevitable, incremental progress. Coué recognized that patients needed affirmations that felt believable and realistic rather than grandiose; claiming you were already completely well seemed obviously false, but claiming you were gradually improving felt achievable and therefore genuinely convincing to the conscious mind. He recommended that patients repeat this affirmation at least twenty times in the morning and evening, ideally while counting on a knotted cord or beads to maintain focus. The ritual aspect wasn’t superstitious; Coué understood that the repetition and physical engagement of the practice helped imprint the suggestion more deeply into what he called the “subconscious mind,” a term he used somewhat differently than Freud’s contemporary formulation. Patients were instructed to repeat the phrase with calm conviction rather than intense emotion, and importantly, Coué emphasized that trying too hard to believe in the affirmation could actually undermine its effectiveness—a counterintuitive insight that suggested he understood something about the psychology of belief that modern neuroscience would later validate.

An overlooked aspect of Coué’s philosophy that deserves more attention is his explicit rejection of willpower as the primary mechanism of change. Unlike many self-help philosophies that emphasize the importance of “willing yourself” to improve, Coué argued that willpower was often counterproductive and that the imagination—understood as the unconscious systems that guide our thoughts, emotions, and bodily responses—was far more powerful than conscious determination. If your imagination convinced you that you were sickly, no amount of willpower could overcome it. Conversely, if your imagination accepted the gentle suggestion that you were improving, your body and mind would align with this expectation. This insight anticipated by nearly a century what modern neuroscience now understands about the power of expectations in shaping physical and mental health outcomes. Another lesser-known fact about Coué is that he was an accomplished musician who understood viscerally the