Entrepreneurship is not a process of eliminating uncertainty, nor a simple journey from idea to execution. It is a lived experience shaped by persistent contradiction: between vision and doubt, control and surrender, individual ambition and social responsibility. This book argues that successful entrepreneurship depends not on resolving these tensions, but on the ability to inhabit them. It requires holding competing truths, navigating emotional complexity, and acting decisively within ambiguity. Harnessing the Entrepreneurial Paradox explores eleven core paradoxes across the emotional, moral, and strategic dimensions of entrepreneurial life. Drawing on philosophy, psychology, identity theory, and organisational scholarship, Simon Adderley challenges linear, heroic narratives of the entrepreneur. Instead, he reframes entrepreneurship as an ongoing practice of tension management. This is a psychological, ethical, and existential endeavour in which paradox is not a threat to be overcome, but a condition to be embodied. This book speaks to scholars, educators, and reflective practitioners who seek a deeper understanding of entrepreneurial resilience, identity, and complexity. It offers no formulas, only a richer map of what it means to create and endure within the contradictions that shape entrepreneurial practice.