The paradox of self-deception is a problem that has been debated and discussed by philosophers and psychologists for centuries. The paradox arises because self-deception appears to require that the self-deceiver both knows and does not know the truth. However, this requirement seems to be contradictory. In this paper, we propose a conditional resolution to this paradox. Our approach is based on the distinction between implicit and explicit knowledge. We argue that self-deception can occur when an individual has implicit knowledge of the truth, but lacks explicit knowledge of it. This approach resolves the paradox because it allows the self-deceiver to possess knowledge of the truth without being aware of it. Our resolution also has implications for the study of self-deception in psychology and philosophy. It highlights the importance of considering the role of implicit knowledge in self-deception. The Enigmatic Paradox of Self-Deception: A Conditional Solution For centuries, the paradox of self-deception has confounded philosophers and psychologists, raising fundamental questions about the human psyche. At its core, the paradox stems from the seemingly contradictory requirement that the self-deceiver must simultaneously possess and lack knowledge of the truth. This paper presents a conditional resolution to this long-standing conundrum. Our approach hinges on the crucial distinction between implicit and explicit knowledge, proposing that self-deception can occur when an individual harbors implicit knowledge of the truth without explicit awareness. This nuanced perspective resolves the paradox, allowing the self-deceiver to possess knowledge without conscious recognition. Furthermore, our resolution has significant implications for the study of self-deception in both psychology and philosophy, underscoring the vital role of implicit knowledge in this complex phenomenon.