This book is a critical exploration of popular sayings, "common wisdom," and widely held beliefs that shape how we think, live, and pursue success. Structured as a series of stand-alone chapters, it takes on each familiar maxim-such as "No pain, no gain," "Carbs are bad," or "Just think happy thoughts!"-and rigorously interrogates its truthfulness using evidence from scientific research, real-life anecdotes, and logical reasoning. Rather than accepting conventional advice at face value, each chapter dissects the origins and scientific validity of these statements, highlighting why many of them are misleading, incomplete, or even harmful if taken literally. Ultimately, the book serves as a companion for curious, critical thinkers who refuse to settle for easy answers or comfortable myths. It encourages readers to adopt a skeptical, scientific mindset-questioning received wisdom, seeking out data, and adjusting beliefs in the face of new evidence. Whether you flip to a chapter that challenges a favorite saying or use it as a reference to debunk dubious advice in daily life, the book aims to empower you with nuanced, actionable insights for health, happiness, career, and personal growth-all grounded in a commitment to evidence over dogma.