# Self-deception | | **Self-deception** is a process of denying or rationalizing away the relevance, significance, or importance of opposing evidence and logical argument. Self-deception involves convincing oneself of a truth so that one does not reveal any self-knowledge of the deception. | |-|-| | | wikipedia:: [Self-deception](https://en.wikipedia.org/wiki/Self-deception) | > [!summary]- Wikipedia Synopsis > **Self-deception** is a process of denying or rationalizing away the relevance, significance, or importance of opposing evidence and logical argument. Self-deception involves convincing oneself of a truth (or lack of truth) so that one does not reveal any self-knowledge of the deception.